settings.md file updated with 'DESC_TABLE' field details

Author: yasinrawther

docs/settings.md

@@ -19,11 +19,17 @@ You can use hidden to prevent your docs from showing up in different environment
         'HIDE_DOCS': os.environ.get('HIDE_DRFDOCS', False)
     }
 
+##### DESC_TABLE
+You can use Table representation to make your fields list in the documentation clear. So We can change representation by adding single line inside the `REST_FRAMEWORK_DOCS` in `setting.py`.
+
+    'DESC_TABLE': os.environ.get('DESCRIBE_TABLE', False)
+
+
 Then set the value of the environment variable `HIDE_DRFDOCS` for each environment (ie. Use `.env` files)
 
 ### List of Settings
 
-| Setting | Type    | Options         | Default |
-|---------|---------|-----------------|---------|
-|HIDE_DOCS| Boolean | `True`, `False` | `False` |
-|         |         |                 |         |
+| Setting  | Type    | Options         | Default |
+|----------|---------|-----------------|---------|
+|HIDE_DOCS | Boolean | `True`, `False` | `False` |
+|DESC_TABLE| Boolean | `True`, `False` | `False` |