feat: generate Typescript definitions

[gjanblaszczyk]

Description

Generate Typescript definitions based on JSDoc comments.

TODO:

• The ready callback in videojs() should be optional.

Specific Changes proposed

Improves player config to handle the generating of Typescript definitions during the build process.

Requirements Checklist

• Feature implemented / Bug fixed
• If necessary, more likely in a feature request than a bug fix
  • Change has been verified in an actual browser (Chrome, Firefox, IE)
  • Unit Tests updated or fixed
  • Docs/guides updated
  • Example created (starter template on JSBin)
• Reviewed by Two Core Contributors

[codecov]

Codecov Report

Merging #7954 (9d2002e) into next (b5fefde) will increase coverage by 0.01%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             next    #7954      +/-   ##
==========================================
+ Coverage   81.96%   81.97%   +0.01%     
==========================================
  Files         111      110       -1     
  Lines        7356     7329      -27     
  Branches     1776     1767       -9     
==========================================
- Hits         6029     6008      -21     
+ Misses       1327     1321       -6     

Impacted Files	Coverage Δ
src/js/component.js	94.11% <ø> (ø)
src/js/fullscreen-api.js	100.00% <ø> (ø)
src/js/menu/menu-keys.js	33.33% <ø> (ø)
src/js/player.js	89.76% <ø> (ø)
src/js/resize-manager.js	77.08% <ø> (ø)
src/js/tech/html5.js	66.94% <ø> (ø)
src/js/tech/tech.js	83.71% <ø> (ø)
src/js/video.js	94.06% <ø> (-0.05%)	⬇️
src/js/event-target.js	100.00% <100.00%> (+4.25%)	⬆️
src/js/tracks/html-track-element.js	100.00% <100.00%> (ø)
... and 1 more

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[gkatsev]

This is cool and would be nice to have up-to-date types.

[gjanblaszczyk]

@gkatsev Should I add some additional changes for docs (guides, readme)?

[gkatsev]

I don't think any of the existing jsdocs need updating unless you wanted to do so. Can also be a separate effort/done on a case-by-case basis.