Support reload custom process
- Fix register method compatibility @lj3lj3
- Optimize the watch logic of Inotify @soooldier
- Support reload custom process @soooldier
- Support reload when composer.json has been changed @soooldier
- Modify the registration method of the custom process @soooldier
- Fswatch automatic select monitor @hhxsv5
- Support reload timer/custom process by Inotify @hhxsv5