Locate your osu!lazer install (generally C:\Users\[USER-NAME]\AppData\Local\osulazer\) Log-in to your GitHub account. Locate the osu!lazer install path and sign-in with GitHub Add gamemodes to the ...
For development, you need development database & cache. You can setup in on host, but i'm recommend it setup in docker. Here some commands to setup development environment. $ docker run -p 5432:5432 ...