You're all set and can back up from now on. Back up your application files. Copy your local config files into the Mackup folder. Name an application to back up only that one, e.g. mackup backup vim.
# Sample output: Connected: BUSID VID:PID DEVICE STATE 1-1 046d:c548 Logitech USB Input Device, USB Input Device Not shared 1-2 1a86:55d3 USB-Enhanced-SERIAL CH343 (COM3) Not shared 1-5 8087:0032 ...