Intial commit

test_proj/addons/gut/gut_plugin.gd

@@ -0,0 +1,12 @@
+tool
+extends EditorPlugin
+
+func _enter_tree():
+    # Initialization of the plugin goes here
+    # Add the new type with a name, a parent type, a script and an icon
+    add_custom_type("Gut", "Control", preload("plugin_control.gd"), preload("icon.png"))
+
+func _exit_tree():
+    # Clean-up of the plugin goes here
+    # Always remember to remove it from the engine when deactivated
+    remove_custom_type("Gut")