gd: added input addon

addons/guide/ui/renderers/misc/action_renderer.gd

@@ -0,0 +1,11 @@
+@tool
+extends GUIDEIconRenderer
+
+func supports(input:GUIDEInput) -> bool:
+	return input is GUIDEInputAction
+	
+func render(input:GUIDEInput) -> void:
+	pass
+ 
+func cache_key(input:GUIDEInput) -> String:
+	return "0ecd6608-ba3c-4fc2-83f7-ad61736f1106"  # we only have one output, so same cache key