Refactor code for improved readability and consistency

- Cleaned up whitespace and formatting across multiple files for better readability.

migrate_db.py

@@ -9,22 +9,27 @@ from app.database import db
 app = create_app()
 cli = FlaskGroup(app)
 
+
 @cli.command()
 def init_db():
     """Initialize the database."""
     print("Initializing database...")
     from app.database_init import init_database
+
     init_database()
     print("Database initialized successfully!")
 
+
 @cli.command()
 def reset_db():
     """Reset the database (drop all tables and recreate)."""
     print("Resetting database...")
     db.drop_all()
     from app.database_init import init_database
+
     init_database()
     print("Database reset successfully!")
 
+
 if __name__ == "__main__":
-    cli()
+    cli()