rm db / updates main.py rooms.py

database/db_init.py

@@ -22,7 +22,7 @@ CREATE TABLE IF NOT EXISTS users (
 cur.execute("""
 CREATE TABLE IF NOT EXISTS rooms (
     id INTEGER PRIMARY KEY AUTOINCREMENT,
-    name TEXT NOT NULL,
+    name TEXT NOT NULL UNIQUE,
     owner_id INTEGER NOT NULL,
     invite_code TEXT NOT NULL UNIQUE,