* Problem: Source files contain no license info
Solution: Add comments with SPDX license info to source files
* Python 3 files don't need # -*- coding: utf-8 -*-
- All files moved to k8s/nginx-3scale with directory structure consistent
with k8s/nginx-http(s)
- Top level LICENCES.md updated
- Renaming entry point script to nginx_openresty_entrypoint.bash