add: emoji fluff

Makefile

@@ -117,7 +117,7 @@ dependencies-checks:
 
 .PHONY: goodbye
 goodbye:
-	@echo "\nCongratulations, you successfully deployed MLFlow on your project!"
+	@echo "\nCongratulations, you successfully deployed MLFlow on your project! 🎉"
 	@source vars && echo "The web app is available at https://mlflow-dot-$${TF_VAR_project_id}.ew.r.appspot.com"
 	@echo "To push your first experiment, take a look at the bottom of the readme for an example."