Makefile, some fixes

Makefile

@@ -0,0 +1,35 @@
+LINT_FILES=maigret wizard.py tests
+
+test:
+	coverage run --source=./maigret -m pytest tests
+	coverage report -m
+	coverage html
+
+rerun-tests:
+	pytest --lf
+
+lint:
+	@echo 'syntax errors or undefined names'
+	flake8 --count --select=E9,F63,F7,F82 --show-source --statistics ${LINT_FILES} maigret.py
+
+	@echo 'warning'
+	flake8 --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics --ignore=E731,W503 ${LINT_FILES} maigret.py
+
+	@echo 'mypy'
+	mypy ${LINT_FILES}
+
+format:
+	@echo 'black'
+	black --skip-string-normalization ${LINT_FILES}
+
+pull:
+	git stash
+	git checkout main
+	git pull origin head
+	git stash pop
+
+clean:
+	rm -rf reports htmcov dist
+
+install:
+	pip3 install .