README: official tags (track/sponsors/achievements) + demo/social links

README.md

@@ -9,10 +9,12 @@ pinned: false
 license: gemma
 tags:
   - build-small-hackathon
-  - track-backyard-ai
-  - badge-well-tuned
-  - badge-llama-champion
-  - badge-off-the-grid
+  - track:backyard
+  - sponsor:modal
+  - sponsor:cohere
+  - achievement:offgrid
+  - achievement:welltuned
+  - achievement:llama
 ---
 
 # REFRAME — a live CBT studio