README badges, SVG badge component, button href support, MCP docs ref…

…resh

- Add shields.io flat-style badge SVG component to SVG backend
- Add --width, --padding, --background CLI flags for SVG output
- Create README badge links (docs, editors, mcp)
- Support --href on HTML button component (renders as <a> tag)
- Remove dead button from about-polyester hero, regenerate SVG
- Drop side-panel layout from MCP docs page
- Add button hrefs to index.poly hero
- Bump VS Code extension to 0.3.0, fix minimatch vulnerability

Co-Authored-By: Claude Opus 4.6 <[email protected]>

need to build poly cli now for the vscode extension

Bump VS Code extension to 0.2.0

wider sidebar on index doc

whoa

wider sidebar on index doc

whoa