feat: support shortcuts on web

[qinluhe]

Feature Preview

---

PR Checklist

• My code adheres to AppFlowy's Conventions
• I've listed at least one issue that this PR fixes in the description above.
• I've added a test(s) to validate changes in this PR, or this PR only contains semantic changes.
• All existing tests are passing.

[codecov]

Codecov Report

Attention: Patch coverage is 51.48005% with 377 lines in your changes missing coverage. Please review.

Project coverage is 66.49%. Comparing base (7ecf213) to head (5e6ab54).
Report is 105 commits behind head on main.

Files with missing lines	Patch %	Lines
...p/src/application/slate-yjs/utils/yjsOperations.ts	33.96%	171 Missing and 2 partials ⚠️
..._app/src/application/slate-yjs/utils/applyToYjs.ts	40.14%	84 Missing and 1 partial ⚠️
...web_app/src/application/slate-yjs/command/index.ts	46.15%	77 Missing ⚠️
...wy_web_app/src/components/editor/shortcut.hooks.ts	59.32%	21 Missing and 3 partials ⚠️
...wy_web_app/src/components/editor/utils/markdown.ts	94.44%	2 Missing and 3 partials ⚠️
...pp/src/components/editor/plugins/withInsertText.ts	60.00%	3 Missing and 1 partial ⚠️
...owy_web_app/src/components/main/useAppThemeMode.ts	60.00%	3 Missing and 1 partial ⚠️
...b_app/src/application/slate-yjs/plugins/withYjs.ts	75.00%	1 Missing ⚠️
...ppflowy_web_app/src/components/editor/Editable.tsx	0.00%	0 Missing and 1 partial ⚠️
...omponents/editor/components/blocks/quote/Quote.tsx	0.00%	0 Missing and 1 partial ⚠️
... and 2 more

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #6474      +/-   ##
==========================================
- Coverage   74.41%   66.49%   -7.92%     
==========================================
  Files         245      243       -2     
  Lines        6566     8988    +2422     
  Branches     1057     1149      +92     
==========================================
+ Hits         4886     5977    +1091     
- Misses       1628     2863    +1235     
- Partials       52      148      +96     

Flag	Coverage Δ
appflowy_web_app	66.49% <51.48%> (-7.92%)	⬇️

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