Extra gogs instructions

src/freedombone

       echo 'Leave email service settings empty' >> /home/$MY_USERNAME/README
       echo 'Check "Enable Register Confirmation"' >> /home/$MY_USERNAME/README
       echo 'Check "Enable Mail Notification"' >> /home/$MY_USERNAME/README
+      echo '' >> /home/$MY_USERNAME/README
+      echo 'After the initial install edit /home/git/go/src/github.com/gogits/gogs/custom/conf/app.ini' >> /home/$MY_USERNAME/README
+      echo 'and within the [server] section set:' >> /home/$MY_USERNAME/README
+      echo "DOMAIN = $GIT_DOMAIN_NAME" >> /home/$MY_USERNAME/README
+      echo "ROOT_URL = https://$GIT_DOMAIN_NAME/" >> /home/$MY_USERNAME/README
   fi
 
   echo "create database gogs;