Implemented the POST /users/{username}/collection/folders endpoints for the Open API specification document in the library target.

Sources/DiscogsService/openapi.yaml

@@ -1101,6 +1101,41 @@ paths:
           $ref: '#/components/responses/NotFound'
         '500':
           $ref: '#/components/responses/InternalError'
+    post:
+      tags:
+        - User Collection
+      summary: Create a new collection folder.
+      description: |
+        Creates a new folder in the collection of a user.
+
+        This endpoint requires authentication for the owner.
+      operationId: postUserCollectionFolder
+      parameters:
+        - $ref: '#/components/parameters/Username'
+        - $ref: '#/components/parameters/Name'
+          description: A name for a new folder.
+      security:
+        - ConsumerKeySecret: []
+        - UserToken: []
+        - OAuth: []
+      responses:
+        '201':
+          description: Successfully create a new collection folder for a user.
+          headers:
+            X-Discogs-RateLimit:
+              $ref: '#/components/headers/RateLimit'
+            X-Discogs-RateLimit-Used:
+              $ref: '#/components/headers/RateLimitUsed'
+            X-Discogs-RateLimit-Remaining:
+              $ref: '#/components/headers/RateLimitRemaining'
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/Folder'
+        '403':
+          $ref: '#/components/responses/NotAccessable'
+        '500':
+          $ref: '#/components/responses/InternalError'
 components:
   headers:
     Link:
@@ -1263,7 +1298,6 @@ components:
       in: query
       schema: 
         type: string
-      example: Some real name
     Page:
       description: A number of page of results to return.
       name: page