Standardize Makefile help target

Include dot-prefixed targets such as .env in help output
by adding \.? to the grep regex.

Author: spawnia

Makefile

@@ -3,7 +3,7 @@ it: fix normalize test ## Perform quality checks
 
 .PHONY: help
 help: ## Displays this list of targets with descriptions
-	@grep -E '^[a-zA-Z0-9_-]+:.*?## .*$$' $(firstword $(MAKEFILE_LIST)) | sort | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[32m%-30s\033[0m %s\n", $$1, $$2}'
+	@grep -E '^\.?[a-zA-Z0-9_-]+:.*?## .*$$' $(firstword $(MAKEFILE_LIST)) | sort | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[32m%-30s\033[0m %s\n", $$1, $$2}'
 
 .PHONY: setup
 setup: vendor ## Set up the project