Add Makefile

Makefile

@@ -0,0 +1,26 @@
+setup: ## Install packages and run mgirations
+	@bin/setup
+
+web: ## Rails server
+	@bin/rails s
+
+css: ## CSS watcher
+	@bin/rails tailwindcss:watch
+
+dev: ## Run Rails server and CSS watcher
+	@make -j 16 web css
+
+test: ## Run tests
+	@bin/rails test
+
+mutate: ## Run mutant
+	@bundle exec mutant run
+
+console: ## Rails console
+	@bin/rails c
+
+help:
+	@grep -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | awk 'BEGIN {FS = "(:|:[^:]*?## )"}; {printf "\033[36m%-30s\033[0m %s\n", $$1, $$2}' | sort
+
+.PHONY: help web css dev test mutate console
+.DEFAULT_GOAL := help