The art of github contributions heatmap.
ex. https://github.com/qinshuang1998?tab=overview&from=1998-01-01&to=1998-12-31
Step1. Open the ./designer/index.html
Step2. Custom the start and end time you like, then design your artwork by clicking the mouse on heatmap.
Step3. Output the map file and run the python script with this file. You need to change some parameters yourself.
Step4. Ok, let's git push and enjoy!