Display a help output for included makefiles too

generate_help_with_includes.makefile

# Improved from the Symfony Conf example

help: ## This comment creates ouput
	@grep -E '(^[a-zA-Z_]+:.*?##.*$$)|(^##)' $(MAKEFILE_LIST) | sed 's/[^:]*\(:.*\)/\1/' | cut -c 1 --complement | awk 'BEGIN {FS = ":.*?## "}{printf "\033[32m%-30s\033[0m %s\n", $$1, $$2}' | sed -e 's/\[32m##/[33m/'
  
build: ## Build your application

include submakefile

# --- Example output ---
# --- include files are always appended ---
# help                           This comment creates ouput            
# build                          Build your application            
# test                           Run all tests

submakefile

test: ## Run all tests