fix:Update index.ts (#484)

Adds a small change to kick off the release workflow and hopefully restore everything so I can figure out why my change did not work.

Author: willum070

samples/add-map/index.ts

@@ -5,7 +5,7 @@
  */
 
 // [START maps_add_map]
-// Initialize and add the map
+// Initialize and add the map.
 let map;
 async function initMap(): Promise<void> {
   // [START maps_add_map_instantiate_map]