DOC: Added an API contract for PATCH /tasks status updates (#214)

* updated doc to include new task status update

* added one new patch route for tasks status updates

* ok removed

* updated doc patch route for tasks status updates

tasks/README.md

@@ -67,6 +67,7 @@
 |  [GET /tasks/:username](#get-tasksusername)   |  Returns all tasks of the user   |
 |  [PATCH /tasks/self/:id](#patch-tasksselfid)  |       Changes in own task        |
 |  [PATCH /tasks/assign/:userId]()  |       Assigns the task based on task availability and skill        |
+|  [PATCH /tasks/:id/status]()  |       Changes the status in own task        |
 
 ## **GET /tasks**
 
@@ -342,3 +343,52 @@ Returns all tasks of the requested user.
 - **Error Response:**
   - **Code:** 500
     - **Content:** `{ 'statusCode': 500, 'error': 'Internal Server Error', 'message': 'An internal server error occurred' }`
+
+
+## **PATCH /tasks/:id/status**
+
+- **Params**  
+  _Required:_ `id=[string]`
+
+- **Headers**  
+  Content-Type: application/json
+
+- **Body**
+
+  ```
+  {
+    status: <new-status>
+    percentCompleted: <number>
+  }
+  ```
+
+- **Cookie**  
+  rds-session: `<JWT>`
+
+- **Success Response:**
+  - **Code**: 200
+
+```
+{
+  message: 'Task updated successfully!'
+  userStatus?: {
+    status : "String",
+    message : "String"
+    data: {
+      "previousStatus"?: "String",
+      "currentStatus"?: "String",
+      "futureStatus"?: "String"
+    }
+  }
+}
+```
+
+- **Error Response:**
+  - **Code:** 401
+    - **Content:** `{ 'statusCode': 401, 'error': 'Unauthorized', 'message': 'Unauthenticated User' }`
+  - **Code:** 403
+    - **Content:** `{ 'statusCode': 403, 'error': 'Forbidden', 'message':'This task is not assigned to you' }`
+  - **Code:** 404
+    - **Content:** `{ 'statusCode': 404, 'error': 'Not Found', 'message': 'Task doesn't exist' }`
+  - **Code:** 500
+    - **Content:** `{ 'statusCode': 500, 'error': 'Internal Server Error', 'message': 'An internal server error occurred' }`