self-documenting makefile
.PHONY: help
help:
@grep -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | sort | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-30s\033[0m %s\n", $$1, $$2}'
# All rules with double-hash comments will be automatically displayed in the make help rule
newrule: ## This is what will show up for this rule's help
echo Hello World