docs: GitHub About description + homepage set — mark Tier 0 complete

The repo's About one-liner was still the old hardware-only framing and
the homepage field was empty. Both now set: description carries the
3-strata MCP/MIDI/OSC framing, homepage points at the Pages site.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

Author: roomi-fields

docs/MCP_DIRECTORIES.md

@@ -18,7 +18,7 @@ Legend: ✅ live · ⚠️ submitted, pending · 🔄 auto-indexing in progress
 |---|---|---|
 | npm — `@roomi-fields/osc-bridge` | ✅ | v0.10.0 published 2026-05-14 |
 | Official MCP Registry — `io.github.roomi-fields/osc-bridge` | ✅ | published 2026-05-14, status `active` |
-| GitHub repo + topics | ✅ | public; topics include `mcp`, `mcp-server`, `model-context-protocol`, `midi`, `osc`, `claude`, `ableton`, `bitwig`, `reaper`, `daw`, `live-coding` (20-topic cap reached — dropped the long-tail vendor topics) |
+| GitHub repo metadata | ✅ | public; About description + homepage (Pages site) set to the 3-strata framing; topics include `mcp`, `mcp-server`, `model-context-protocol`, `midi`, `osc`, `claude`, `ableton`, `bitwig`, `reaper`, `daw`, `live-coding` (20-topic cap reached — dropped the long-tail vendor topics) |
 | `roomi-fields/claude-plugins` marketplace | ✅ | entry added 2026-05-14 |
 | Pages site (GitHub Pages) | ✅ | device browser + SEO/JSON-LD live |