feat(watcher): add polling-based BucketWatcher to detect add/modify/delete events and expose RxJS Observable and EventEmitter APIs

ts/00_commitinfo_data.ts

@@ -3,6 +3,6 @@
  */
 export const commitinfo = {
   name: '@push.rocks/smartbucket',
-  version: '4.3.1',
+  version: '4.4.0',
   description: 'A TypeScript library providing a cloud-agnostic interface for managing object storage with functionalities like bucket management, file and directory operations, and advanced features such as metadata handling and file locking.'
 }