Add post response for robot account API (#6906)

This commit is to do:
1, Add post response on creating robot account
2, Lower-case the attribute of response

Signed-off-by: wang yan <wangyan@vmware.com>

docs/swagger.yaml

@@ -3232,6 +3232,8 @@ paths:
       responses:
         '201':
           description: Project member created successfully.
+          schema:
+            $ref: '#/definitions/RobotAccountPostRep'
         '400':
           description: Project id is not valid.
         '401':
@@ -4774,6 +4776,15 @@ definitions:
         description: The permission of robot account
         items:
           $ref: '#/definitions/RobotAccountAccess'
+  RobotAccountPostRep:
+    type: object
+    properties:
+      name:
+        type: string
+        description: the name of robot account
+      token:
+        type: string
+        description: the token of robot account
   RobotAccountAccess:
     type: object
     properties:

src/common/models/robot.go

@@ -59,8 +59,8 @@ func (rq *RobotReq) Valid(v *validation.Validation) {
 
 // RobotRep ...
 type RobotRep struct {
-	Name  string
-	Token string
+	Name  string `json:"name"`
+	Token string `json:"token"`
 }
 
 // TableName ...