chore(docs): Updated API Reference (v2) (#9033)

Automated changes by [create-pull-request](https://github.com/peter-evans/create-pull-request) GitHub action

Co-authored-by: Shahed Nasser <27354907+shahednasser@users.noreply.github.com>

www/apps/api-reference/specs/admin/paths/admin_uploads.yaml

@@ -1,9 +1,8 @@
 post:
   operationId: PostUploads
-  summary: Create Upload
-  description: Create a upload.
+  summary: Upload Files
+  description: Upload files to the configured File Module Provider.
   x-authenticated: true
-  parameters: []
   security:
     - api_token: []
     - cookie_auth: []
@@ -14,17 +13,17 @@ post:
         schema:
           oneOf:
             - type: object
-              description: SUMMARY
+              description: The files to upload.
               required:
                 - files
               properties:
                 files:
                   type: array
-                  description: The upload's files.
+                  description: The files to upload.
                   items:
                     oneOf:
                       - type: object
-                        description: The file's files.
+                        description: A file's details.
                         required:
                           - name
                           - content
@@ -36,10 +35,10 @@ post:
                           content:
                             type: string
                             title: content
-                            description: The file's content.
+                            description: The file's base64 content.
                       - $ref: ../components/schemas/File.yaml
             - $ref: ../components/schemas/FileList.yaml
-          description: SUMMARY
+          description: The files to upload.
   x-codeSamples:
     - lang: Shell
       label: cURL