Add symlinks to all plugins

Fixes https://github.com/Jarli01/xenorchestra_installer/issues/18

xo_install.sh

@@ -48,6 +48,11 @@ cd packages/xo-server
 cp sample.config.yaml .xo-server.yaml
 sed -i "s|#'/': '/path/to/xo-web/dist/'|'/': '/opt/xen-orchestra/packages/xo-web/dist'|" .xo-server.yaml
 
+# symlink all plugins
+for source in =$(ls -d /opt/xen-orchestra/packages/xo-server-*); do
+    ln -s "$source" /usr/local/lib/node_modules/
+done
+
 if [[ ! -e $systemd_service_dir/$xo_service ]] ; then
 
 /bin/cat << EOF >> $systemd_service_dir/$xo_service