Add wiki docs generator and publish workflow

Add a Python script (.github/scripts/generate-wiki-docs.py) that parses Java source files and Javadoc to generate Markdown wiki pages (per-component pages, Home.md and _Sidebar.md) including examples, version info and API summaries. Add a GitHub Actions workflow (.github/workflows/wiki-publish.yml) to run the generator on push or manual dispatch, copy the output into the repository's wiki, and commit/push updates. This enables automated generation and publication of project API documentation to the GitHub wiki.

Author: mercyblitz