add user endpoint

README.md

@@ -88,7 +88,12 @@ Here are the available API endpoints for the service.
 - **Description:** Used to verify that the service is running and healthy.
 - **Success Response:**
   - **Code:** `200 OK`
-  - **Content:** `{"status": "ok"}`
+  - **Content:** `{
+  "message": "health check successful",
+  "data": {},
+  "success": true,
+  "error": false
+}`
 
 #### Example Usage