Integrate input with scheduler

### Checklist

- [X] I've looked through the [README](https://github.com/react-scheduler/react-big-schedule#readme)
- [X] I've verified that I am running react-big-schedule latest version.
- [ ] I've searched the existing issues and discussions for a similar question
- [ ] I've provided relevant code snippets or error messages
- [ ] I've included steps to reproduce the issue
- [ ] I've checked the browser console for any errors
- [ ] I've tested the issue with the latest version of react-big-schedule

### Please make sure the question is worded well enough to be understood


when i change start or end demo event1 bar also change the position how to do it?