chore: add Makefile

Author: tmzane

Makefile

@@ -0,0 +1,24 @@
+.POSIX:
+.SUFFIXES:
+
+all: test lint
+
+test:
+	go test -race -shuffle=on -cover ./...
+
+lint:
+	golangci-lint run
+
+tidy:
+	go mod tidy
+
+readme:
+	python3 scripts/generate_readme.py
+
+# run `make pre-commit` once to install the hook.
+pre-commit: .git/hooks/pre-commit test lint tidy readme
+	git diff --exit-code
+
+.git/hooks/pre-commit:
+	echo "make pre-commit" > .git/hooks/pre-commit
+	chmod +x .git/hooks/pre-commit