Add track:backyard and track:wood badge tags for submission

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

README.md

@@ -13,6 +13,8 @@ tags:
   - build-small
   - backyard-ai
   - thousand-token-wood
+  - track:backyard
+  - track:wood
 ---
 
 # Reality Divergence + Elsewhere