feat: user and robot relation

server/src/models/User.ts

@@ -1,5 +1,6 @@
 import { DataTypes, Model, Optional } from 'sequelize';
 import sequelize from '../storage/db';
+import Robot from './Robot';
 
 interface UserAttributes {
     id: number;
@@ -79,4 +80,9 @@ User.init(
     }
 );
 
+User.hasMany(Robot, {
+    foreignKey: 'userId',
+    as: 'robots', // Alias for the relation
+  });
+
 export default User;