Save the last draft on localstorage

[Danilo Woznica]

Problem:
Lost the last draw on the canvas.

Solution:
An option to recover the last draw.

Implementation:
Every time the canvas is updated, save the code on localstorage. Then when the user opens the page again, show a button See your last draft above the canvas which it will update the canvas with data from localstorage and it will hidden the button itself