Update README.
Update README.

Android and iOS are untested.
Maybe Polling

omeid/fsnotify,scalingdata/fsnotify-v1,jsix/fsnotify,qida/fsnotify,mingshun/fsnotify,fsnotify/fsnotify,fsnotify/fsnotify,fsnotify/fsnotify,beni55/fsnotify,treejames/fsnotify