Changes:

• new release arch: MIPS
• make the banner used to mark /etc/hosts entries configurable (thanks @kaiyou)
• make path to cluster state configurable (thanks @kaiyou)
• only test against go 1.18
• switch to kong for CLI + config handling
• migrate to Github Actions

v0.2.6

- add MIPS* arches to the releases

v0.2.5

- make build reproducible (fixes #2)

v0.2.4

- fix compatibility with linux >= 5.2

v0.2.3

- fix race condition of cluster join
- fix permissions on state file

v0.2.2

- failed join attempts are now retried; this enables simultaneous
cross-joining without deadlocks

v0.2.1

- added option to bind to interface (--bind-iface)

v0.2.0

- Switch to using wgctrl lib instead of wrapping the wireguard cli
tools (no more interface recreation on node joins/parts)
- Do not attempt to remove entries on exit when `--no-etc-hosts`
is given
- Added end-to-end tests
- Added simple systemd unit file
- Minimal go version now 1.12

v0.1.2

- fix ipv4 overlay address assignment; broken by ipv6 addition