create CLI client communicate only over HTTPS with the other side server of server side backups
- built curl template to create requests on server-side-backups server
- write function to pass CLI arguments (HTTP Scheme, URL Host, URL Path, HTTP Method, List of HTTP Headers, Form (with backup payload)
- there should be some function, maybe that one mentioned in the second point in this list. It should be able to read a return value from curl even with errors happened, back to the running command