Add Vale setup for writing style checks

docs/.vale.ini

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+StylesPath = .vale
+
+MinAlertLevel = warning ## error, warning, or suggestion
+Vocab = Base
+
+Packages = Google
+
+[*.{md,rst}]
+BasedOnStyles = Vale, Google
+
+Google.Passive = NO

docs/.vale/Google/AMPM.yml

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+extends: existence
+message: "Use 'AM' or 'PM' (preceded by a space)."
+link: 'https://developers.google.com/style/word-list'
+level: error
+nonword: true
+tokens:
+  - '\d{1,2}[AP]M'
+  - '\d{1,2} ?[ap]m'
+  - '\d{1,2} ?[aApP]\.[mM]\.'

docs/.vale/Google/Acronyms.yml

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+extends: conditional
+message: "Spell out '%s', if it's unfamiliar to the audience."
+link: 'https://developers.google.com/style/abbreviations'
+level: suggestion
+ignorecase: false
+# Ensures that the existence of 'first' implies the existence of 'second'.
+first: '\b([A-Z]{3,5})\b'
+second: '(?:\b[A-Z][a-z]+ )+\(([A-Z]{3,5})\)'
+# ... with the exception of these:
+exceptions:
+  - API
+  - ASP
+  - CLI
+  - CPU
+  - CSS
+  - CSV
+  - DEBUG
+  - DOM
+  - DPI
+  - FAQ
+  - GCC
+  - GDB
+  - GET
+  - GPU
+  - GTK
+  - GUI
+  - HTML
+  - HTTP
+  - HTTPS
+  - IDE
+  - JAR
+  - JSON
+  - JSX
+  - LESS
+  - LLDB
+  - NET
+  - NOTE
+  - NVDA
+  - OSS
+  - PATH
+  - PDF
+  - PHP
+  - POST
+  - RAM
+  - REPL
+  - RSA
+  - SCM
+  - SCSS
+  - SDK
+  - SQL
+  - SSH
+  - SSL
+  - SVG
+  - TBD
+  - TCP
+  - TODO
+  - URI
+  - URL
+  - USB
+  - UTF
+  - XML
+  - XSS
+  - YAML
+  - ZIP

docs/.vale/Google/Colons.yml

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+extends: existence
+message: "'%s' should be in lowercase."
+link: 'https://developers.google.com/style/colons'
+nonword: true
+level: warning
+scope: sentence
+tokens:
+  - ':\s[A-Z]'

docs/.vale/Google/Contractions.yml

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+extends: substitution
+message: "Feel free to use '%s' instead of '%s'."
+link: 'https://developers.google.com/style/contractions'
+level: suggestion
+ignorecase: true
+action:
+  name: replace
+swap:
+  are not: aren't
+  cannot: can't
+  could not: couldn't
+  did not: didn't
+  do not: don't
+  does not: doesn't
+  has not: hasn't
+  have not: haven't
+  how is: how's
+  is not: isn't
+  it is: it's
+  should not: shouldn't
+  that is: that's
+  they are: they're
+  was not: wasn't
+  we are: we're
+  we have: we've
+  were not: weren't
+  what is: what's
+  when is: when's
+  where is: where's
+  will not: won't

docs/.vale/Google/DateFormat.yml

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+extends: existence
+message: "Use 'July 31, 2016' format, not '%s'."
+link: 'https://developers.google.com/style/dates-times'
+ignorecase: true
+level: error
+nonword: true
+tokens:
+  - '\d{1,2}(?:\.|/)\d{1,2}(?:\.|/)\d{4}'
+  - '\d{1,2} (?:Jan(?:uary)?|Feb(?:ruary)?|Mar(?:ch)?|Apr(?:il)|May|Jun(?:e)|Jul(?:y)|Aug(?:ust)|Sep(?:tember)?|Oct(?:ober)|Nov(?:ember)?|Dec(?:ember)?) \d{4}'

docs/.vale/Google/Ellipses.yml

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+extends: existence
+message: "In general, don't use an ellipsis."
+link: 'https://developers.google.com/style/ellipses'
+nonword: true
+level: warning
+action:
+  name: remove
+tokens:
+  - '\.\.\.'

docs/.vale/Google/EmDash.yml

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+extends: existence
+message: "Don't put a space before or after a dash."
+link: 'https://developers.google.com/style/dashes'
+nonword: true
+level: error
+action:
+  name: edit
+  params:
+    - remove
+    - ' '
+tokens:
+  - '\s[—–]\s'

docs/.vale/Google/EnDash.yml

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+extends: existence
+message: "Use an em dash ('—') instead of '–'."
+link: 'https://developers.google.com/style/dashes'
+nonword: true
+level: error
+action:
+  name: edit
+  params:
+    - replace
+    - '-'
+    - '—'
+tokens:
+  - '–'

docs/.vale/Google/Exclamation.yml

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+extends: existence
+message: "Don't use exclamation points in text."
+link: 'https://developers.google.com/style/exclamation-points'
+nonword: true
+level: error
+tokens:
+  - '\w!(?:\s|$)'

docs/.vale/Google/FirstPerson.yml

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+extends: existence
+message: "Avoid first-person pronouns such as '%s'."
+link: 'https://developers.google.com/style/pronouns#personal-pronouns'
+ignorecase: true
+level: warning
+nonword: true
+tokens:
+  - (?:^|\s)I\s
+  - (?:^|\s)I,\s
+  - \bI'm\b
+  - \bme\b
+  - \bmy\b
+  - \bmine\b

docs/.vale/Google/Gender.yml

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+extends: existence
+message: "Don't use '%s' as a gender-neutral pronoun."
+link: 'https://developers.google.com/style/pronouns#gender-neutral-pronouns'
+level: error
+ignorecase: true
+tokens:
+  - he/she
+  - s/he
+  - \(s\)he

docs/.vale/Google/GenderBias.yml

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+extends: substitution
+message: "Consider using '%s' instead of '%s'."
+link: 'https://developers.google.com/style/inclusive-documentation'
+ignorecase: true
+level: error
+swap:
+  (?:alumna|alumnus):          graduate
+  (?:alumnae|alumni):          graduates
+  air(?:m[ae]n|wom[ae]n):      pilot(s)
+  anchor(?:m[ae]n|wom[ae]n):   anchor(s)
+  authoress:                   author
+  camera(?:m[ae]n|wom[ae]n):   camera operator(s)
+  chair(?:m[ae]n|wom[ae]n):    chair(s)
+  congress(?:m[ae]n|wom[ae]n): member(s) of congress
+  door(?:m[ae]|wom[ae]n):      concierge(s)
+  draft(?:m[ae]n|wom[ae]n):    drafter(s)
+  fire(?:m[ae]n|wom[ae]n):     firefighter(s)
+  fisher(?:m[ae]n|wom[ae]n):   fisher(s)
+  fresh(?:m[ae]n|wom[ae]n):    first-year student(s)
+  garbage(?:m[ae]n|wom[ae]n):  waste collector(s)
+  lady lawyer:                 lawyer
+  ladylike:                    courteous
+  landlord:                    building manager
+  mail(?:m[ae]n|wom[ae]n):     mail carriers
+  man and wife:                husband and wife
+  man enough:                  strong enough
+  mankind:                     human kind
+  manmade:                     manufactured
+  manpower:                    personnel
+  men and girls:               men and women
+  middle(?:m[ae]n|wom[ae]n):   intermediary
+  news(?:m[ae]n|wom[ae]n):     journalist(s)
+  ombuds(?:man|woman):         ombuds
+  oneupmanship:                upstaging
+  poetess:                     poet
+  police(?:m[ae]n|wom[ae]n):   police officer(s)
+  repair(?:m[ae]n|wom[ae]n):   technician(s)
+  sales(?:m[ae]n|wom[ae]n):    salesperson or sales people
+  service(?:m[ae]n|wom[ae]n):  soldier(s)
+  steward(?:ess)?:             flight attendant
+  tribes(?:m[ae]n|wom[ae]n):   tribe member(s)
+  waitress:                    waiter
+  woman doctor:                doctor
+  woman scientist[s]?:         scientist(s)
+  work(?:m[ae]n|wom[ae]n):     worker(s)

docs/.vale/Google/HeadingPunctuation.yml

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+extends: existence
+message: "Don't put a period at the end of a heading."
+link: 'https://developers.google.com/style/capitalization#capitalization-in-titles-and-headings'
+nonword: true
+level: warning
+scope: heading
+action:
+  name: edit
+  params:
+    - remove
+    - '.'
+tokens:
+  - '[a-z0-9][.]\s*$'

docs/.vale/Google/Headings.yml

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+extends: capitalization
+message: "'%s' should use sentence-style capitalization."
+link: 'https://developers.google.com/style/capitalization#capitalization-in-titles-and-headings'
+level: warning
+scope: heading
+match: $sentence
+indicators:
+  - ':'
+exceptions:
+  - Azure
+  - CLI
+  - Code
+  - Cosmos
+  - Docker
+  - Emmet
+  - gRPC
+  - I
+  - Kubernetes
+  - Linux
+  - macOS
+  - Marketplace
+  - MongoDB
+  - REPL
+  - Studio
+  - TypeScript
+  - URLs
+  - Visual
+  - VS
+  - Windows

docs/.vale/Google/Latin.yml

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+extends: substitution
+message: "Use '%s' instead of '%s'."
+link: 'https://developers.google.com/style/abbreviations'
+ignorecase: true
+level: error
+nonword: true
+action:
+  name: replace
+swap:
+  '\b(?:eg|e\.g\.)[\s,]': for example
+  '\b(?:ie|i\.e\.)[\s,]': that is

docs/.vale/Google/LyHyphens.yml

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+extends: existence
+message: "'%s' doesn't need a hyphen."
+link: 'https://developers.google.com/style/hyphens'
+level: error
+ignorecase: false
+nonword: true
+action:
+  name: edit
+  params:
+    - replace
+    - '-'
+    - ' '
+tokens:
+  - '\s[^\s-]+ly-'

docs/.vale/Google/OptionalPlurals.yml

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+extends: existence
+message: "Don't use plurals in parentheses such as in '%s'."
+link: 'https://developers.google.com/style/plurals-parentheses'
+level: error
+nonword: true
+action:
+  name: edit
+  params:
+    - remove
+    - '(s)'
+tokens:
+  - '\b\w+\(s\)'

docs/.vale/Google/Ordinal.yml

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+extends: existence
+message: "Spell out all ordinal numbers ('%s') in text."
+link: 'https://developers.google.com/style/numbers'
+level: error
+nonword: true
+tokens:
+  - \d+(?:st|nd|rd|th)

docs/.vale/Google/OxfordComma.yml

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+extends: existence
+message: "Use the Oxford comma in '%s'."
+link: 'https://developers.google.com/style/commas'
+scope: sentence
+level: warning
+tokens:
+  - '(?:[^,]+,){1,}\s\w+\s(?:and|or)'

docs/.vale/Google/Parens.yml

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+extends: existence
+message: "Use parentheses judiciously."
+link: 'https://developers.google.com/style/parentheses'
+nonword: true
+level: suggestion
+tokens:
+  - '\(.+\)'