Merge addon-contexts into the monorepo

[leoyli]

Issue: https://github.com/leoyli/addon-contexts

What I did

• Fix some bugs (storybook tab switches / story-level configs).
• Fix typing, prettier, linting errors, example story snapshots to get a green build.
• Add some WHY comments for people interested in the source code.
• Add 2 stories under Addon | Contexts in our official Storybook (React), clicking here to see it.

There were many bad git issues so I close and reopen this PR to remove noises. Please let me know if you have any feedback!

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[leoyli]

It seems I have a hard time with the yarn.lock file 😠.

[codecov]

Codecov Report

Merging #6559 into next will decrease coverage by 0.57%.
The diff coverage is 0%.

@@            Coverage Diff             @@
##             next    #6559      +/-   ##
==========================================
- Coverage   40.69%   40.11%   -0.58%     
==========================================
  Files         616      633      +17     
  Lines        8534     8657     +123     
  Branches      600      619      +19     
==========================================
  Hits         3473     3473              
- Misses       4972     5095     +123     
  Partials       89       89

Impacted Files	Coverage Δ
addons/contexts/src/preview/libs/functionals.ts	0% <0%> (ø)
addons/contexts/src/preview/frameworks/react.ts	0% <0%> (ø)
addons/contexts/src/constants.ts	0% <0%> (ø)
addons/contexts/src/register.ts	0% <0%> (ø)
addons/contexts/src/manager/ToolBarMenuOptions.tsx	0% <0%> (ø)
addons/contexts/src/preview/libs/getPropsMap.ts	0% <0%> (ø)
addons/contexts/src/manager/ToolbarControl.tsx	0% <0%> (ø)
addons/contexts/src/preview/frameworks/vue.ts	0% <0%> (ø)
addons/contexts/src/preview/index.ts	0% <0%> (ø)
...ddons/contexts/src/preview/libs/getRendererFrom.ts	0% <0%> (ø)
... and 24 more

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
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[codecov]

Codecov Report

Merging #6559 into next will decrease coverage by 0.57%.
The diff coverage is 0%.

@@            Coverage Diff             @@
##             next    #6559      +/-   ##
==========================================
- Coverage   40.69%   40.11%   -0.58%     
==========================================
  Files         616      633      +17     
  Lines        8534     8657     +123     
  Branches      600      619      +19     
==========================================
  Hits         3473     3473              
- Misses       4972     5095     +123     
  Partials       89       89

Impacted Files	Coverage Δ
addons/contexts/src/preview/libs/functionals.ts	0% <0%> (ø)
addons/contexts/src/preview/frameworks/react.ts	0% <0%> (ø)
addons/contexts/src/constants.ts	0% <0%> (ø)
addons/contexts/src/register.ts	0% <0%> (ø)
addons/contexts/src/manager/ToolBarMenuOptions.tsx	0% <0%> (ø)
addons/contexts/src/preview/libs/getPropsMap.ts	0% <0%> (ø)
addons/contexts/src/manager/ToolbarControl.tsx	0% <0%> (ø)
addons/contexts/src/preview/frameworks/vue.ts	0% <0%> (ø)
addons/contexts/src/preview/index.ts	0% <0%> (ø)
...ddons/contexts/src/preview/libs/getRendererFrom.ts	0% <0%> (ø)
... and 24 more

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 1f93649...7103e56. Read the comment docs.

[leoyli]

I finally get a build really really green... yarn.lock file is really a black magic to me :'(

@ndelangen, @shilman: any suggestions!? Could we merge it! 😸

[leoyli]

I'm going to merge it since @ndelangen reviewed and approved. Meanwhile, I'm going to deprecate my published NPM pkg once it became available in a stable release (perhaps v5.1?!). If possible, I think we can briefly announce this addon in v5.1 releasing press so the community may know about it (What do you think, @shilman).

My next step is to add tests and url param feature, then push this addon toward Angular community. 💪

[shilman]

@leoyli Def worth an announcement!