v2.2.0: Feature release
- [added] Service target file (thanks to mnhauke)
- [added] Added interactive configuration wizard
- [added] Support for (un-)installation
- [added] Building static binaries
- [added] Building i686 rpm
- [changed] Restructured example config
- [changed] Changed Rust version to 1.51.0
- [changed] Updated dependencies
- [changed] Change permissions of /etc/vpncloud