Host dist/examples on GitHub Pages with PR preview deployments

[Copilot]

Deploy examples to GitHub Pages and provide per-PR preview URLs.

GitHub Pages deployment (.github/workflows/deploy.yml)

• Builds and deploys dist/ to GitHub Pages on push to master
• Uses official actions/deploy-pages with proper concurrency controls

PR preview deployment (.github/workflows/deploy-pr.yml)

• Builds and deploys to pr/<number>/ subfolder on gh-pages branch via peaceiris/actions-gh-pages
• Posts/updates a PR comment with direct links to preview examples
• Per-PR concurrency group cancels stale deployments

README update

• Replaced stale dev.catlab.eu links with GitHub Pages URLs
• Added features, installation, and development sections
• Documented PR preview URL pattern: https://catlabinteractive.github.io/easelbone/pr/<PR_NUMBER>/examples/

Original prompt

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This section details on the original issue you should resolve

<issue_title>Host the dist/examples folder on github pages</issue_title>
<issue_description>- Host the examples / test page on github pages, make sure that it has access to all required scripts

• For each pull request, make sure the examples / test pages are deployed to a subfolder references the PR (so that the PR can be tested)
• Update the readme, add relevant data of the library and add links to the examples on githpub pages</issue_description>

Comments on the Issue (you are @copilot in this section)

• Fixes Host the dist/examples folder on github pages #17

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[github-actions]

📦 PR Preview deployed!

Examples are available at:

• Controls
• Scroll
• Float
• Alpha Mask