feat: add template update plugin

Author: Sergio Alvarenga

.gitmodules

@@ -14,3 +14,7 @@
 	path = packages/external-plugins/oscd-template-generator
 	url = https://github.com/OpenEnergyTools/oscd-template-generator
 	branch = deploy
+[submodule "packages/external-plugins/scl-template-update"]
+	path = packages/external-plugins/scl-template-update
+	url = https://github.com/OpenEnergyTools/scl-template-update
+	branch = deploy

packages/compas-open-scd/public/js/plugins.js

@@ -143,6 +143,14 @@ export const officialPlugins = [
     kind: 'editor',
     requireDoc: true
   },
+  {
+    name: 'Template Update',
+    src: '/external-plugins/scl-template-update/scl-template-update.js',
+    icon: 'copy_all',
+    activeByDefault: false,
+    kind: 'editor',
+    requireDoc: true
+  },
   {
     name: 'Open project',
     src: '/src/menu/CompasOpen.js',