Add params for v3 API volume-type-create

In api-ref/source/v3/volumes-v3-type.inc, the api for type-create is missing request
params, So the patch is to add the missing param as well as the sample JSON files.

Change-Id: Iac982462ea0afe8e388d9f6e26b89c01e9c46a8c

api-ref/source/v3/parameters.yaml

@@ -629,6 +629,12 @@ description_14:
   in: body
   required: false
   type: string
+description_15:
+  description: |
+    The volume type description.
+  in: body
+  required: false
+  type: string
 description_2:
   description: |
     The description of the consistency group.
@@ -1526,6 +1532,12 @@ os-volume-replication:extended_status_1:
   in: body
   required: false
   type: string
+os-volume-type-access:is_public:
+  description: |
+    Make type accessible to the public.
+  in: body
+  required: false
+  type: boolean
 pool_name:
   description: |
     The name of the storage pool.

api-ref/source/v3/samples/volume-type-create-request.json

@@ -2,9 +2,6 @@
     "volume_type": {
         "name": "vol-type-001",
         "description": "volume type 0001",
-        "os-volume-type-access:is_public": true,
-        "extra_specs": {
-            "capabilities": "gpu"
-        }
+        "is_public": true,
     }
 }

api-ref/source/v3/samples/volume-type-create-response.json

@@ -0,0 +1,11 @@
+{
+    "volume_type": {
+        "name": "test_type",
+        "extra_specs": {},
+        "os-volume-type-access:is_public": true,
+        "is_public": true,
+        "id": "6d0ff92a-0007-4780-9ece-acfe5876966a",
+        "description": "test_type_desc"
+    }
+}
+

api-ref/source/v3/volumes-v3-types.inc

@@ -245,6 +245,9 @@ Request
 
    - volume_type: volume_type
    - project_id: project_id_path
+   - name: name_7
+   - is_public: is_public
+   - description: description_15
 
 Request Example
 ---------------
@@ -263,12 +266,13 @@ Response Parameters
    - description: description
    - volume_type: volume_type
    - name: name
-
+   - id: id
+   - os-volume-type-access:is_public: os-volume-type-access:is_public
 
 Response Example
 ----------------
 
-.. literalinclude:: ./samples/volume-type-show-response.json
+.. literalinclude:: ./samples/volume-type-create-response.json
    :language: javascript
 
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