feat: add Rust code examples and support for Rust syntax highlighting

- Added Rust syntax highlighting to the Fence component.
- Updated Markdoc functions to clone React elements with unique keys for copy and example sections.
- Included Rust code examples for various API endpoints in documentation:
  - `get_app_by_id`
  - `get_apps`
  - `get_apps_by_ids`
  - `connectivity`
  - `get_field_by_id`
  - `get_fields_by_app`
  - `get_fields_by_ids`
  - `add_file`
  - `delete_file_by_id`
  - `get_file_by_id`
  - `get_file_info_by_id`
  - `delete_list_value_by_id`
  - `save_list_value`
  - `delete_record_by_id`
  - `delete_records_by_ids`
  - `get_record_by_id`
  - `get_records_by_app`
  - `get_records_by_ids`
  - `get_records_by_query`
  - `save_record`
  - `get_report_by_id`
  - `get_reports_by_app`

src/app/lib/markdoc.ts

@@ -102,7 +102,13 @@ function getCopyChild(
   docPath: string
 ) {
   const copyPath = getCopyPath(version, doc, docPath);
-  return parseMarkdown(copyPath);
+  const child = parseMarkdown(copyPath);
+
+  if (React.isValidElement(child)) {
+    return React.cloneElement(child, { key: 'copy' });
+  }
+
+  return child;
 }
 
 function getExampleChild(
@@ -111,7 +117,13 @@ function getExampleChild(
   docPath: string
 ) {
   const examplePath = getExamplePath(version, doc, docPath);
-  return parseMarkdown(examplePath);
+  const child = parseMarkdown(examplePath);
+
+  if (React.isValidElement(child)) {
+    return React.cloneElement(child, { key: 'example' });
+  }
+
+  return child;
 }
 
 export function loadSections(