This is a Sbopkg Queue Files (.sqf for short) repository. Those files are pretented to be used with Willy Sudiarto Raharjo (willysr@sbopkg.org) and others' Sbopkg tool. More about Sbopkg at https://www.sbopkg.org/
Clone this in your Sbopkg queues directory (default: /var/lib/sbopkg/queues), and then use the queues as documented.