Function getRotatedPoint

getRotatedPoint(point, angle): {
x: number;
y: number;
}
Parameters
- point: Point
  The [[Point]]
- angle: number
  The angle value
Returns {
x: number;
y: number;
}
The new x and y of the rotated rectangle

1- https://en.wikipedia.org/wiki/Rotation_matrix 2- https://docs.google.com/document/d/1Xczn6P7GHjJMzoaoW0M4lE3UYJxw5JjwxC9zaGhWUTM 3- https://iiif.io/api/annex/notes/rotation
- x: number
- y: number