Additional functionality for Transformation

Possible improvements:

Creation from nalgebra Matrix
Convertion to nalgebra Matrix or f32 array representation
Switch to Matrix3?
Use Affine2 instead of Matrix3 since it more accurately represents the data (invertible translation, rotation, (non uniform) scaling): https://www.nalgebra.org/points_and_transformations/#transformations
Applying to vectors/points directly (also possible via first converting to nalgebra Matrix)

hecrj / coffee