Merge db-migrations: Add Flask-Migrate support and clean up old migration system

create_migration.py

@@ -0,0 +1,23 @@
+#!/usr/bin/env python
+"""Create a new migration with Flask-Migrate"""
+
+import os
+import sys
+from flask_migrate import migrate as _migrate
+from app import app, db
+
+if __name__ == '__main__':
+    with app.app_context():
+        print("Creating migration...")
+        try:
+            # Get migration message from command line or use default
+            message = sys.argv[1] if len(sys.argv) > 1 else "Initial migration"
+            
+            # Create the migration
+            _migrate(message=message)
+            print(f"Migration '{message}' created successfully!")
+            print("Review the migration file in migrations/versions/")
+            print("To apply the migration, run: python apply_migration.py")
+        except Exception as e:
+            print(f"Error creating migration: {e}")
+            sys.exit(1)