refactor(bruno): reorganize file structure from bruno-yaml to flat bruno directory

- Move all files from bruno-yaml/* to bruno/*
- Maintains existing directory structure within categories
- Updates bruno/user/auth files with OAuth2 refresh token flow
- Updates bruno/user/profile files for user profile management
- Adds bruno/dashboard/ directory with dashboard API tests
- Preserves all existing test scenarios and OpenCollection YAML format
- No functional changes - file reorganization only

bruno/progress/Update Reading Progress.yml

@@ -0,0 +1,31 @@
+info:
+  name: Update Reading Progress
+  type: http
+  seq: 7
+http:
+  method: PUT
+  url: '{{base_url}}/api/media-items/{{media_item_id}}/progress'
+  auth: inherit
+  body:
+    type: json
+    jsonBody: "{\n    \"current_page\": 45,\n    \"total_pages\": 200"
+
+docs: |-
+  ## Update Reading Progress
+    
+    Updates the authenticated user's reading progress for a media item.
+    
+    **Authentication:** Required (Bearer token)
+    
+    **Path Parameters:**
+    - `id` (string): Media Item UUID
+    
+    **Request Body:**
+    - `current_page` (number, required): Current page number
+    - `total_pages` (number, optional): Total pages in book
+    
+    **Response:** Updated progress object
+    
+    **Error Responses:**
+    - 401: Invalid authentication
+    - 400: Invalid request data