To use only one of them, rename to private.xml and copy to Karabiner location
or replace the content of private.xml with the content of the desired config.
To use multiple profiles, add them in the private.xml ignoring the xml and
root tags.
Included profiles:
- Razer Naga MMO 2014 mouse - Keys to NUMPAD
- Logitech G600 - Keys to NUMPAD