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/devices/scenarios/Update Device Settings.yml

@@ -0,0 +1,61 @@
+info:
+  name: Update Device Settings
+  type: http
+  seq: 7
+
+http:
+  method: PUT
+  url: '{{base_url}}/api/devices/{{device_id}}'
+  auth: inherit
+  headers:
+    - key: Content-Type
+      value: application/json
+  body:
+    type: json
+    json:
+      device_name: Updated Device Name
+      sync_enabled: true
+      auto_sync: true
+      sync_frequency_minutes: 10
+
+docs: |-
+  ## Update Device Settings
+
+  Updates device configuration and sync settings.
+
+  **Method:** PUT
+
+  **Endpoint:** /api/devices/:device_id
+
+  **Authentication:** Required (Bearer token)
+
+  **Path Parameters:**
+  - `device_id` (string): UUID of the device
+
+  **Request Body:**
+  - `device_name` (string, optional): New device name
+  - `sync_enabled` (boolean, optional): Enable/disable sync
+  - `auto_sync` (boolean, optional): Enable automatic sync
+  - `sync_frequency_minutes` (integer, optional): Sync interval (5-1440 minutes)
+
+  **Response:**
+  - `id` (string): Device UUID
+  - `device_name` (string): Updated device name
+  - `sync_enabled` (boolean): Updated sync status
+  - `auto_sync` (boolean): Updated auto-sync setting
+  - `sync_frequency_minutes` (integer): Updated sync interval
+  - `updated_at` (string): Update timestamp
+
+  **Status Codes:**
+  - 200: Settings updated successfully
+  - 400: Invalid sync frequency or data
+  - 401: Unauthorized
+  - 403: Forbidden (device belongs to different user)
+  - 404: Device not found
+
+  **Sync Frequency Guidelines:**
+  - Mobile devices: 10-30 minutes
+  - E-readers on WiFi: 15-60 minutes
+  - Web clients: 5-15 minutes
+  - Minimum: 5 minutes
+  - Maximum: 1440 minutes (24 hours)