use openstack_networking_floatingip_associate_v2. Fix #70

Fix double yaml file extention.

ci: update sonobuoy version

terraform-docs: automated action

Update cloud-init.yml.tpl

Update README.

terraform-docs: automated action

output router ip

Remove netcat dependency by using curl instead

Build(deps): Bump actions/checkout from 2 to 3

Bumps [actions/checkout](https://github.com/actions/checkout) from 2 to 3.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v2...v3)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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