Add GitHub Actions workflow to deploy playground to GitHub Pages

[Copilot]

Adds automated deployment of the expression evaluator playground to GitHub Pages on pushes to master/main.

Changes

• New workflow .github/workflows/deploy-playground.yml:

  • Triggers on push to master/main
  • Builds UMD bundle via npm run build:umd
  • Assembles _site/ with sample files + dist/bundle.js
  • Deploys using official actions/deploy-pages@v4

• README update: Added a "Playground Example" section that links to the deployed playground and describes its interactive features (live evaluation, code completions, syntax highlighting, and hover information)

Notes

Repository owner will need to enable GitHub Pages with "GitHub Actions" as the source in Settings → Pages.

Original prompt

Add a github action workflow that builds and deploys the playground (sample) on pushes to master to github pages.

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[Sander-Toonen]

Add a small section in the README.me with the name "Playground example" which tells the users that they can try out the package and the language server capabilities on the linked page.

[Copilot]

Add a small section in the README.me with the name "Playground example" which tells the users that they can try out the package and the language server capabilities on the linked page.

Added a "Playground Example" section to README.md in commit 39a89a5. The section includes a link to the playground and describes the interactive features available (live evaluation, code completions, syntax highlighting, and hover information).

@copilot Add a small section in the README.me with the name "Playground example" which tells the users that they can try out the package and the language server capabilities on the linked page.

Added a "Playground Example" section to README.md in commit 39a89a5. The section includes a link to the playground and describes the interactive features available (live evaluation, code completions, syntax highlighting, and hover information).