Update put.json

[chrismaffey]

Password can be left blank for updates. Otherwise you have to reenter the password every time you save the auth list

[nginxproxymanagerci]

Docker Image for build 1 is available on
DockerHub
as nginxproxymanager/nginx-proxy-manager-dev:pr-4108

Note: ensure you backup your NPM instance before testing this image! Especially if there are database changes
Note: this is a different docker image namespace than the official image