Write a function that returns a buffered image of size 200x200.
The image should have TYPE_INT_RGB color components, and it should contain two lines drawn in this exact order:
a red one, starting at position (0, 0) and ending at position (200, 200);
a green one, starting at position (200, 0) and ending at position (0, 200).
The return value of the function should be a BufferedImage with the following contents: