Doc site menu reorganization

[tinatownes]

Summary:

Revises the order and hierarchy of left menu items, including

• Combines active and inactive signal lists, prefixing inactive ones with "inactive" and listing them after all active signals.
• Moves new endpoint tutorial and other dev tools into a dev tools section
• Renames some pages to de-emphasize covidcast
• Fixes some broken links.

Prerequisites:

• Unless it is a documentation hotfix it should be merged against the dev branch
• Branch is up-to-date with the branch to be merged with, i.e. dev
• Build is successful
• Code is cleaned up and formatted

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud

[nmdefries]

@tinatownes can you build this locally and look at it again? I changed some names and formatting.

[tinatownes]

@nmdefries, so sorry I'm late here! Looks good, minor questions:

• On left menu, the second item "Main Endpoint (COVIDcast)" has its page titled "Main Epidata API". Should we change the page title to "Main Endpoint (COVIDcast)" as well?
• Should I reorder the list of COVIDcast inactive signals so those are properly alphabetical, ie) move HHS higher, move DSEW lower, etc.? Same with moving Digital Surveillance Sensors under "Other Endpoints (COVID-19 and Other Diseases)" higher in the list?
• The left menu item "COVID-19 Trends and Impact Survey (inactive)", should I change it to "inactive COVID-19 Trends and Impact Survey"?
• If I should move forward with above edits, should I just make a new branch and submit a pull request?
  Thanks!

[tinatownes]

1. no need to match
2. nav ordering affecting alphabetizing, NAT opened another PR
3. Nat already fixed, check your branch