* Added variable nginx_plus_linux_families: ['Alpine', 'Debian', 'RedHat', 'Suse']
* Added variable nginx_plus_bsd_systems: ['FreeBSD']
* Added variable nginx_freebsd_extra_packages: ['security/ca_root_nss']
* Installation of Linux moved to install-plus-linux.yml
* Installation of FreeBSD moved to install-plus-bsd.yml
* Installation of nginx_freebsd_extra_packages moved to tasks/prerequisites/setup-freebsd.yml
* Installation of NGINX Plus tested with FreeBSD 12.0; Lint passed
* Add support to the role for RHEL 8 and Alpine Linux
* Add NGINX Open Source support for Alpine Linux
* Add NGINX Open Source support for SLES 15
* Update supported platforms matrix
* Add option to enable REST API
* Add option to enable live dashboard
* Add option to install WAF module
* Load modules in nginx.conf
* Improve version check for RedHat distros