Log Cloudflare headers (#116) (#183)

* #116 Log Cloudflare headers

* #116 Log Cloudflare headers

* #116 Log Cloudflare headers

* #163 Fix linting

* Update src/nginxconfig/generators/conf/website.conf.js

Co-authored-by: Matt (IPv4) Cowley <me@mattcowley.co.uk>

* Update src/nginxconfig/generators/conf/website.conf.js

Co-authored-by: Matt (IPv4) Cowley <me@mattcowley.co.uk>

* Update src/nginxconfig/generators/conf/website.conf.js

Co-authored-by: Matt (IPv4) Cowley <me@mattcowley.co.uk>

* Update src/nginxconfig/generators/conf/nginx.conf.js

Co-authored-by: Matt (IPv4) Cowley <me@mattcowley.co.uk>

* Remove extra div + incorrect if check, revert linebreak  removal

* handle custom log formats as an array

* Update src/nginxconfig/generators/conf/nginx.conf.js

Co-authored-by: Matt (IPv4) Cowley <me@mattcowley.co.uk>

* remove curly braces, move default log format array definition inside if statement

Co-authored-by: Matt (IPv4) Cowley <me@mattcowley.co.uk>