chore: Add region tag (#369)

* Adds region tag

* Updating region tag to standard format

Co-authored-by: Vinay Vyas <69166360+vinay-google@users.noreply.github.com>

Author: kar320

solutions/automations/upload-files/Setup.js

@@ -14,6 +14,7 @@
  * limitations under the License.
  */
 
+// [START apps_script_upload_files_setup]
 // TODO You must run the setUp() function before you start using this sample.
 
 /** 
@@ -113,4 +114,6 @@ function removeTriggersAndScriptProperties() {
  */
 function deleteAllResponses() {
   FormApp.getActiveForm().deleteAllResponses();
-}
+}
+
+// [END apps_script_upload_files_setup]