Add docsify documentation site under docs/ with multi-language examples

[philihp]

Summary

• Adds a docs/ folder containing a docsify static site (no build step — markdown is rendered client-side from CDN).
• Site covers Getting Started, full API Reference, Models, Predictions, and Ranking guides.
• Adds an Examples by Language section with idiomatic usage for every known port: JavaScript/TypeScript, Python, Java, Kotlin, Elixir, Lua, and Google Apps Script.
• Adds .github/workflows/docs.yml to publish docs/ to GitHub Pages on pushes to main.
• Links the new docs site from the top of README.md.

Layout

docs/
  index.html              docsify entrypoint (Vue theme, search, copy-code, pagination)
  .nojekyll               disable Jekyll on Pages
  README.md               home
  _coverpage.md           cover page
  _navbar.md / _sidebar.md
  getting-started.md
  api.md
  models.md
  predictions.md
  ranking.md
  examples/
    javascript.md
    python.md
    java.md
    kotlin.md
    elixir.md
    lua.md
    google-apps-script.md

To enable GitHub Pages

After merge, enable Pages in Settings → Pages → Source: GitHub Actions. The workflow in .github/workflows/docs.yml will then publish to https://philihp.github.io/openskill.js/.

Test plan

• Local preview: npx docsify-cli serve docs and click through every sidebar entry.
• Verify code blocks for each language render with syntax highlighting (Prism components for js/ts/python/java/kotlin/elixir/lua are loaded in index.html).
• After merging, enable Pages → GitHub Actions and confirm the workflow deploys successfully.

https://claude.ai/code/session_01Tt5sD8EAVhxBXtVLkiXSrW

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Generated by Claude Code

[coveralls]

coverage: 100.0%. remained the same — claude/add-docs-site-7GzwB into main