Complete backend verification: fix syntax errors, create __init__.py files, add setup_db.py, update docker-compose for two PostgreSQL containers

backend/app/routers/__init__.py

@@ -0,0 +1 @@
+# Routers package

backend/app/routers/games.py

@@ -21,7 +21,7 @@ async def list_games(
 ):
     """List active games."""
     # This would query a games table - simplified for now
-    # In production, you'd have a CockatriceGames model
+    # In production, you'd have a MTG OnlineGames model
     return []
 
 

backend/app/routers/games/__init__.py

@@ -0,0 +1 @@
+# Games package