Prepare v5.0.0-beta1

[ffoodd]

To-do list

• Missing patch rejects in docs/content
• Customize RTL: Helvetica, letter-spacing, left / start out there?
• Check custom docs for BC: data-bs-*, RTL, etc.
• Bootstrap to Boosted occurrencies
• To check: carousel arrows, breadcrumb flipped separator (might be a better way)…

And then…

Prepare release

• Run linters;
• Run compilers;
• Run tests;
• Check documentation site: examples and contents;
• Test cross-browser compatibility locally and with BrowserStack:
• Including RTL mode 🎉
• sync with Bootstrap's release and probably wait for it;
• npm run release-version $current_version $next_version to bump version number
• npm run release to compile dist, update SRI hashes in doc and package the release
• Prepare changelog:
  • install Conventionnal Changelog and conventional-changelog-cli globally
  • conventional-changelog -p angular -i CHANGELOG.md -s
  • ship list: v5-beta1 Ship list #572
• commit and push dist with a chore(release) commit message
• merge
• tag your version, and push your tag
• create a GitHub release:
  • attach zip file
  • paste CHANGELOG in the release's description
• npm pack then npm publish
  • if you're releasing a pre-release, use --tag, eg for v5-alpha1 npm publish boosted-5.0.0-alpha1.tgz --tag next
• check release on NPM, Nuget, Packagist…
• make an announcement in Plazza 🎉