Add repo classification for State Hub registration

.repo-classification.yaml

@@ -0,0 +1,24 @@
+repo_classification:
+  standard: Repo Classification Standard
+  version: "1.0"
+  classified_at: "2026-07-08"
+  classified_by: human
+
+  category: experimental
+  domain: consumer
+  secondary_domains: []
+
+  capability_tags:
+    - game
+    - entertainment
+
+  business_stake:
+    - experience
+    - technology
+
+  business_mechanics: []
+
+  notes: >
+    Personal Pygame snake game promoted from lando_worsch/python-snake on Gitea
+    to coulomb/python-snake on Forgejo; registered in State Hub as consumer
+    entertainment.