Prepare 0.8.0 release

Prepare 0.7.0 release

Update NGINX Ansible collection to v0.6.0

Update NGINX Ansible collection to v0.5.0

Update NGINX Ansible collection to v0.4.0

Update NGINX Ansible collection to v0.3.0

Update NGINX Ansible collection to v0.2.0

Update NGINX config role

Update NGINX role to 0.17.2

Add example playbooks