Function setRotation

setRotation(rotation): void
JMap.Map.setRotation

Set the rotation on the map.
Parameters
- rotation: number
  the new degree of the rotation between -360 to 360
Returns void
Throws
Error if the rotation angle is not between -360 to 360 degree

Example
```
// Set 30 degrees rotation
JMap.Map.setRotation(30)
```