chore(npm): generate npm pack friendly compiled files

[amtins]

Description

Resolves #42 and allows to compile the project in order be able to generate a tarball to be used as an npm dependency. Compilation will produce the following files :

• pillarbox.css, at this stage contains only the default styles for video.js
• pillarbox.js, offers the SRG SSR experience
• pillarbox.core.js, contains only video.js enhancements

Tarball generation is not part of this PR as it is already configured to be generated by semantic-release.

Changes made

• update package.json file
  • add files that will be included in the package
  • add parcel compilation targets
  • add build scripts for js and css
• add terserrc to remove comments from builds
• add rimraf dev dependency
• add build.js file which will contain the various dependencies to be exposed

[github-actions[bot]]

Coverage report

St.:grey_question:	Category	Percentage	Covered / Total
🟢	Statements	98.35%	476/484
🟢	Branches	93.42%	227/243
🟢	Functions	100%	137/137
🟢	Lines	99.14%	459/463

Test suite run success

142 tests passing in 9 suites.

Report generated by 🧪jest coverage report action from 93a28a64c4e5133db35900ca4abf359de19b267b

[github-actions[bot]]

:tada: This PR is included in version 1.0.0 :tada:

The release is available on:

• npm package (@main dist-tag)
• GitHub release

Your semantic-release bot :package::rocket: