Add curl -h authorization header to REST API Code Samples (#28332)

* add curl -h authorization header

* move to get-rest-code-samples

components/lib/get-rest-code-samples.ts

@@ -42,7 +42,7 @@ export function getShellExample(operation: Operation, codeSample: CodeSample) {
 
   const args = [
     operation.verb !== 'get' && `-X ${operation.verb.toUpperCase()}`,
-    `-H "Accept: ${defaultAcceptHeader}"`,
+    `-H "Accept: ${defaultAcceptHeader}" \\ \n  -H "Authorization: <TOKEN>"`,
     `${operation.serverUrl}${requestPath}`,
     requestBodyParams,
   ].filter(Boolean)