Improve editor template workflow

Co-Authored-By: jmb462 <jmb462@gmail.com>

modules/mono/editor_templates/EditorPlugin/plugin.cs

@@ -0,0 +1,19 @@
+// meta-description: Basic plugin template
+#if TOOLS
+using _BINDINGS_NAMESPACE_;
+using System;
+
+[Tool]
+public partial class _CLASS_ : _BASE_
+{
+    public override void _EnterTree()
+    {
+        // Initialization of the plugin goes here.
+    }
+
+    public override void _ExitTree()
+    {
+        // Clean-up of the plugin goes here.
+    }
+}
+#endif