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/Disable Device Sync.yml

@@ -0,0 +1,58 @@
+info:
+  name: Disable Device Sync
+  type: http
+  seq: 8
+
+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: My Kobo Clara
+      sync_enabled: false
+      auto_sync: false
+      sync_frequency_minutes: 30
+
+docs: |-
+  ## Disable Device Sync
+
+  Disables synchronization for a specific device.
+
+  **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): Device name
+  - `sync_enabled` (boolean): Must be `false`
+  - `auto_sync` (boolean): Should be `false`
+  - `sync_frequency_minutes` (integer, optional): Any value (sync disabled)
+
+  **Response:**
+  - `id` (string): Device UUID
+  - `device_name` (string): Device name
+  - `sync_enabled` (boolean): `false`
+  - `auto_sync` (boolean): `false`
+  - `message` (string): Confirmation message
+
+  **Status Codes:**
+  - 200: Sync disabled successfully
+  - 401: Unauthorized
+  - 403: Forbidden
+  - 404: Device not found
+
+  **Use Cases:**
+  - Temporarily disable sync for troubleshooting
+  - Stop sync for a lost or stolen device
+  - Disable sync before selling or giving away device
+  - Prevent data usage on limited connections