feat(haptics): implement method to stop vibration

## Feature Request

### Plugin
haptics

### Description

It should be possible to to stop (cancel) a vibration at any time.

Example: Ater initiating a vibration via `vibrate(...)` for 5000 ms it should be possible to manually stop it when needed (e.g. after 1000 ms).

### Platform(s)
ios, android

### Preferred Solution
Implement a method like `stopVibration()` to stop the device from vibrating.