v0.3.0 — Social Sharing, SEO & Production Fixes

Meridian links now show rich previews when shared on social media —

Twitter/X, Facebook, LinkedIn, Discord, and more.

What changed:

- Branded Open Graph image (1200x630) for rich link previews

- Twitter Cards with large image format

- Optimized meta tags and descriptions for search visibility

- Canonical URLs for proper SEO indexing

- Title template — all pages now show as "Page Name | Meridian"

Bug fixes included:

- Fixed homepage flash of unstyled content (FOUC) on first load

- Validator monitor now streams live mainnet data via xrplcluster

- Footer layout cleanup