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/queue/List All Queue Items (Admin).yml

@@ -0,0 +1,39 @@
+info:
+  name: List All Queue Items (Admin)
+  type: http
+  seq: 1
+http:
+  method: GET
+  url: '{{base_url}}/api/queue/items'
+  auth: inherit
+  body:
+    type: none
+
+docs: |-
+  ## List All Queue Items (Admin)
+  
+    Retrieves all queue items across all devices (admin only).
+  
+    **Method:** GET
+  
+    **Endpoint:** /api/queue/items
+  
+    **Authentication:** Bearer token (admin role required)
+  
+    **Response:**
+     - Array of queue items with device and status information
+  
+    **Status Codes:**
+     - 200: Success
+     - 401: Unauthorized
+     - 403: Forbidden - admin role required
+  
+    **Example Response:**
+     ```json
+     [
+       {
+         "id": "uuid",
+         "device_id": "uuid",
+         "item_type": "progress",
+         "status": "pending",
+         "created_at": "2024-01-01T00:00:00Z"