fix: update init_db.py to use asyncio and correct database import

apps/coordinator-api/init_db.py

@@ -1,21 +1,19 @@
 #!/usr/bin/env python3
 """
-Database initialization script for AITBC Coordinator API
+Initialize database for AITBC Coordinator API
 """
-
+import asyncio
 import sys
 import os
 
 # Add src to path
 sys.path.insert(0, os.path.join(os.path.dirname(__file__), 'src'))
 
-from app.storage import init_db
+from app.database import init_db
+
+async def main():
+    await init_db()
+    print("Database initialized successfully")
 
 if __name__ == "__main__":
-    try:
+    asyncio.run(main())
-        print("Initializing database...")
-        init_db()
-        print("Database initialized successfully!")
-    except Exception as e:
-        print(f"Database initialization failed: {e}")
-        sys.exit(1)