Before cloning these configs make sure that you are familiar or have basic knowledge of how things work to avoid unwanted issues.
You can add the various modes as keybindings in your Hyprland config like so:
# ~/.config/hypr/hyprland.conf
....
#Screenshot a Region
bind = $mainMod, PRINT,exex ,hyprshot -m region -o ~/Pictures/
#Screenshot a WINDOW
bind = ,PRINT,exec ,hyprshot -m output -o ~/Pictures/Note: Make sure that you have installed the hyprshot before using this configuration
yay -S hyprshotgesture= 3, horizontal, workspace, next