This is a "attempt" to port a2cli
- https://tldp.org/HOWTO/XML-RPC-HOWTO/xmlrpc-howto-c.html
- https://xmlrpc-c.sourceforge.io/doc/xmlrpc-c-config.html
- https://xmlrpc-c.sourceforge.io/
- https://stackoverflow.com/questions/2685333/mapping-c-structure-to-an-xml-element/
- https://sourceforge.net/p/xmlrpc-c/code/HEAD/tree/
- MultiCall
- cli arguments/options
- TUI maybe