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/Get Reading Progress.yml

@@ -0,0 +1,30 @@
+info:
+  name: Get Reading Progress
+  type: http
+  seq: 6
+http:
+  method: GET
+  url: '{{base_url}}/api/media-items/{{media_item_id}}/progress'
+  auth: inherit
+  body:
+    type: none
+
+docs: |-
+  ## Get Reading Progress
+    
+    Retrieves the authenticated user's reading progress for a media item.
+    
+    **Authentication:** Required (Bearer token)
+    
+    **Path Parameters:**
+     - `id` (string): Media Item UUID
+    
+    **Response:**
+    - `id` (string): Media Item UUID
+    - `user_id` (string): User UUID
+    - `current_page` (number): Current page number
+    - `total_pages` (number, nullable): Total pages
+    - `last_read_at` (string): Last read timestamp
+    
+    **Error Responses:**
+    - 401: Invalid authentication