Refactor flow to generate nginx configuration file corresponding Custom domain set up
Add 2 template for Nginx template for HTTP and HTTPS. HTTPS contains new block for auto-redirect for HTTPS
Add script to re-generate nginx config file & start nginx
Move function init_ssl_cert into separated file and reuse it in new script and entrypoint
Change command config & add new config to kill all sub-process of a supervisord child program in editor program configure file
Added additional details about how to use the fat container, and how to manage / maintain it.
Also includes some refactorings that shouldn't affect the functionality significantly.
