Description

Add Open Graph and Twitter Card meta tags to improve social media link previews. Previously, sharing kubefwd.com on social platforms showed a generic icon and outdated description. Now it displays the kubefwd masthead image with an updated description highlighting TUI, REST API, and MCP features.

Also fixes site_url from the old GitHub Pages URL to kubefwd.com.

Type of Change

• Bug fix (non-breaking change that fixes an issue)
• Test improvement (new or updated tests)
• Documentation update
• Stability/performance improvement
• Build/CI improvement

Note: New features are developed by maintainers only. See CONTRIBUTING.md for details.

Related Issues

N/A - Housekeeping improvement

Testing

• Ran mkdocs build --strict locally - builds successfully
• Verified meta tags appear in generated HTML
• After deploy, validate with Twitter Card Validator and Facebook Debugger

Checklist

• My code follows the project's style guidelines (go fmt, go vet)
• I have read CONTRIBUTING.md
• I have updated documentation if needed
• This PR is focused and does not include unrelated changes

Changes

mkdocs.yml:

• site_url: https://txn2.github.io/kubefwd → https://kubefwd.com
• site_description: Updated to mention TUI, REST API, MCP, and unique local IPs

docs/overrides/main.html (new file):

• Open Graph meta tags (og:type, og:url, og:title, og:description, og:image)
• Twitter Card meta tags (summary_large_image format)
• Uses existing kubefwd-masthead.jpg as social preview image

Before/After

Before: Generic document icon, outdated "bulk port forwarding" description

After: Branded masthead image, description highlighting modern features (TUI, REST API, MCP)