:lipstick::lipstick: when improving the format/structure of the code
:racehorse::racehorse: when improving performance
:non-potable_water::non-potable_water: when plugging memory leaks
:memo::memo: when writing docs
:penguin::penguin: when fixing something on Linux
:apple::apple: when fixing something on Mac OS
:checkered_flag::checkered_flag: when fixing something on Windows
:bug::bug: when fixing a bug
:fire::fire: when removing code or files
:green_heart::green_heart: when fixing the CI build
:white_check_mark::white_check_mark: when adding tests
:lock::lock: when dealing with security