Bezier_curves and Random shapes drawables

[ashwanirathee]

These two drawables will also be quite useful addition to the project in 2d drawing methods
What do you people think?
References:

• Both exist in scikit-image api reference https://scikit-image.org/docs/stable/api/api.html
• Interesting approach of filling a rectangle with broken tiles: https://gamedev.stackexchange.com/questions/159889/algorithm-to-generate-random-shapes-that-fill-up-a-rectangle uses Fortune's algorithm and Fracture Voronoi algo
• Bezier Curves: https://www.geeksforgeeks.org/cubic-bezier-curve-implementation-in-c/
• https://www.tutorialspoint.com/computer_graphics/computer_graphics_curves.htm
• Fractals generation seems interesting too :https://www.tutorialspoint.com/computer_graphics/computer_graphics_fractals.htm
• On bezier: http://members.chello.at/easyfilter/Bresenham.pdf

[johnnychen94]

I don't know what's the usage of these algorithms; those seem to be advanced graphics functionality. If someone is willing to contribute then PRs are welcome.