- k3d-proxy: rename udp upstreams to avoid collisions/duplicates (#564)
### Features
- add *hidden* command `k3d runtime-info` used for debugging (#553)
- this comes with some additions on package/runtime level
- add *experimental*`--subnet` flag to get some k3d IPAM to ensure that server nodes keep static IPs across restarts (#560)
### Misc
- docs: fix typo (#556, @gcalmettes)
- docs: fix typo (#561, @alechartung)
- ci/drone: pre-release on `-dev.X` tags
- ci/drone: always build no matter the branch name (just not release)
- docs: add automatic command tree generation via cobra (#562)
- makefile: use `go env gopath` as install target for tools (as per #445)
- JSONSchema: add some examples and defaults (now also available via <https://raw.githubusercontent.com/rancher/k3d/main/pkg/config/v1alpha2/schema.json> in your IDE)