Added signup route 👤

backend/src/repositories/user.repo.js

@@ -0,0 +1,16 @@
+import UserModel from "../models/user.model.js"
+
+export const createUser = async (username, email, password) => {
+    try {
+        const createdUser = await UserModel.create({
+            username,
+            email,
+            password
+        })
+
+        return createdUser;
+    }
+    catch(err) {
+        throw err
+    }
+}