Create music directory if needed

src/freedombone-app-mpd

@@ -63,6 +63,9 @@ function mpd_nextcloud_integration {
     read_config_param MY_USERNAME
     mpd_nextcloud_dir="/var/www/$NEXTCLOUD_DOMAIN_NAME/data/$MY_USERNAME/files"
     if [ -d "$mpd_nextcloud_dir" ]; then
+        if [ ! -d "${mpd_nextcloud_dir}/Music" ]; then
+            mkdir "${mpd_nextcloud_dir}/Music"
+        fi
         if ! grep -q "${mpd_nextcloud_dir}/Music" /etc/mpd.conf; then
             sed -i "s|music_directory.*|music_directory         \"${mpd_nextcloud_dir}/Music\"|g" /etc/mpd.conf
             systemctl restart mpd