NOTE: These are extra community-supplied keymaps that weren't easily added to the QMK firmware repo when the TIDBIT was added, because of special features or otherwise.
The main TIDBIT firmware is in the QMK repo. You'll need that first.
Download and copy everything into this repo into your existing qmk_firmware/keyboards/nullbitsco/tidbit folder. Then qmk compile -kb nullbitsco/tidbit -km all. You can also clone this as a git submodule into the tidbit folder if you wish.