Clean up Bruno scanner documentation formatting

- Remove example request body template
- Improve documentation spacing and formatting
- Clarify API endpoint usage and response structure

bruno/scanner/Start Scanner.bru

@@ -10,15 +10,6 @@ post {
   auth: inherit
 }
 
-body {
-  {
-    "folder_paths": [
-      "/path/to/ebooks",
-      "/another/path/to/ebooks"
-    ]
-  }
-}
-
 settings {
   encodeUrl: true
   timeout: 0
@@ -26,23 +17,23 @@ settings {
 
 docs {
   ## Start Scanner
-
+  
   Starts monitoring the specified folders for ebook changes.
-
+  
   **Method:** POST
-
+  
   **Endpoint:** /api/scanner/start
-
+  
   **Authentication:** Required
-
+  
   **Request Body:**
   - `folder_paths` (array of strings, required): Array of folder paths to monitor
-
+  
   **Response:**
   - `message` (string): Success message
-
+  
   **Status Codes:**
   - 200: Success
   - 400: Bad Request
   - 401: Unauthorized
-}
+}