Add description to skippableCollectionMemberIDs option

Author: fabioh8010

lib/types.ts

@@ -475,6 +475,10 @@ type InitOptions = {
      */
     enablePerformanceMetrics?: boolean;
 
+    /**
+     * Array of collection member IDs which updates will be ignored when using Onyx methods.
+     * Additionally, any subscribers from these keys to won't receive any data from Onyx.
+     */
     skippableCollectionMemberIDs?: string[];
 };