update nginx.conf to be able to build each SPA and have a location to the SPA name

[fabienmoyon]

Update nginx.conf to be able to build each SPA and have a location to the SPA name

Need to done on each SPA :

• inbox
• mailto
• calendar
• calendar public
• contacts
• account
• admin

server {
  listen 80;
  index index.html;
  root /usr/share/nginx/html;

  location /:SPA {
    alias /usr/share/nginx/html/;
  }
  include /etc/nginx/extra-conf.d/*.conf;
}