Specify node package to install within template

src/freedombone-template

 app_repo_commit='TODO'
 app_php=
 app_node=
+app_nodeapp=
 app_onion_only=
 app_port=
 app_port_internal=
     echo $'     --port [number]                   Port number for the app'
     echo $'     --portinternal [number]           Internal port between a daemon and the web server'
     echo $'     --node [yes|no]                   Is this a nodejs app?'
+    echo $'     --nodeapp [package]               Specify a nodejs package to install'
     echo $'  -o --onion [yes|no]                  Is this app only available on an onion address?'
     echo $'  -p --php [yes|no]                    Is this a PHP app?'
     echo $'  -s --daemon [yes|no]                 Add a daemon'
             shift
             app_node="$1"
             ;;
+        --nodeapp)
+            shift
+            app_nodeapp="$1"
+            ;;
         -s|--daemon|--systemd)
             shift
             if [[ "$1" == 'yes' ]]; then
     exit 8
 fi
 
+if [ "$app_nodeapp" ]; then
+    app_node='yes'
+fi
+
 if [ ! $app_webui ]; then
     if [ ! "$app_dir" ]; then
         app_dir=/etc/${app_name}
 if [[ "$app_node" == 'yes' ]]; then
     echo "install_nodejs ${app_name}"
 fi
+if [ "$app_nodeapp" ]; then
+    echo "npm install -g ${app_nodeapp}"
+fi
 if [[ "$app_php" == 'yes' ]]; then
     echo '    apt-get -yq install php-gettext php-curl php-gd php-mysql git curl'
     echo '    apt-get -yq install memcached php-memcached php-intl exiftool libfcgi0ldbl'