Function rectangle_coords 

pub fn rectangle_coords(
    top_left: (u32, u32),
    width: u32,
    height: u32,
    n_points: usize,
) -> (Vec<u32>, Vec<u32>)

Compute the coords of evenly spaced points around a rectangle.

Arguments

• top_left: the coordinate of the top left corner.
• width: the width of the side of the rectangle.
• height: the height of the side of the rectangle.
• n_points: the number of points