docs: add Carousel dashboard implementation plan

bruno-yaml/devices/scenarios/Register Device.yml

@@ -0,0 +1,49 @@
+info:
+  name: Register Device
+  type: http
+  seq: 1
+
+http:
+  method: POST
+  url: '{{base_url}}/api/devices/register'
+  auth: none
+  headers:
+    - key: Content-Type
+      value: application/json
+  body:
+    type: json
+    json:
+      device_name: My Kobo Clara
+      device_type: kobo
+      device_identifier: N1234567890123
+
+docs: |-
+  ## Register Device
+
+  Initiates device registration by sending device information to the server.
+
+  **Method:** POST
+
+  **Endpoint:** /api/devices/register
+
+  **Authentication:** None (public endpoint)
+
+  **Request Body:**
+  - `device_name` (string): Human-readable name for the device
+  - `device_type` (string): Type of device - `kobo`, `koreader`, or `web`
+  - `device_identifier` (string): Unique device identifier (serial number or other ID)
+
+  **Response:**
+  - `registration_id` (string): UUID for tracking registration status
+  - `status` (string): Registration status - `pending`, `approved`, or `rejected`
+  - `message` (string): Status message
+
+  **Status Codes:**
+  - 201: Registration initiated successfully
+  - 400: Invalid request data
+  - 409: Device already registered
+
+  **Notes:**
+  - Device registration requires user approval before activation
+  - Registration ID should be stored for status checking
+  - Device identifier must be unique per device