* Adds @rhjensen79 k8s example
* Instructions in README instead of Makefile
* Adds optional TAILSCALE_HOSTNAME instead of hardcoding in tailscale.sh
* TAILSCALE_STATE_ARG env variable, to enable stateful-example which reuses the same ip between deployments
* Fix tailscale.sh for proper `tailscale logout` on container SIGTERM
* Adds github action to build image
* all docker images are in the images folder. Instead of repeating in each example
Co-authored-by: Robert Jensen <robert@robert-jensen.dk>