create a Rain characters and display quotes to the matrix on touch
DEMO LIVE https://kwabounga.fr/matrix/
EXTRA COLOR https://kwabounga.fr/matrix/#ffa500
Press 'r' to set red color
Press 'v' to set green color
Press 'b' to set blue color
Press 'c' to set custom color (cf: extra color)
Press 'space bar' to toggle colors randomization
click or touch to display a random quote