Add a Makefile

Makefile

@@ -0,0 +1,28 @@
+.DEFAULT_GOAL:= build
+SHELL := /bin/bash
+VENV ?= "$(shell poetry env list --full-path | cut -f1 -d " ")/bin/activate"
+
+# Releasing
+tag:
+	@git tag -a $(version) -m "Release $(version)"
+	@git push --follow-tags
+
+# Building
+build: check
+	@source $(VENV)
+	@rm -rf dist || true
+	@poetry build
+
+check:
+	@source $(VENV)
+	@poetry run black --check .
+	@poetry run isort --check .
+	@poetry run flake8 status_cake_exporter --max-line-length=120 --tee
+	@poetry run darglint -m "{path}:{line} -> {msg_id}: {msg}" status_cake_exporteri
+
+# Developing
+.PHONY: init
+init:
+	@poetry install
+	@pre-commit install
+