feat(Docker): Facilitate the ability to run the OHIF docker image over SSL (#3511)

.docker/Viewer-v3.x/default.conf.template

@@ -1,5 +1,6 @@
 server {
-  listen ${PORT};
+  listen ${PORT} default_server;
+  listen [::]:${PORT} default_server;
   location / {
     root   /usr/share/nginx/html;
     index  index.html index.htm;