Add Makefile (#298)

Added Makefile with some helpful utils such as build, lint and clean

Makefile

@@ -0,0 +1,31 @@
+NAME := kube-hunter
+SRC  := kube_hunter
+
+.PHONY: deps
+deps:
+	pip install -r requirements-dev.txt
+
+.PHONY: lint
+lint:
+	flake8 $(SRC)
+
+.PHONY: build
+build:
+	python setup.py sdist bdist_wheel
+
+.PHONY: install
+install:
+	pip install -e .
+
+.PHONY: uninstall
+uninstall:
+	pip uninstall $(NAME)
+
+.PHONY: publish
+publish:
+	twine upload dist/*
+
+.PHONY: clean
+clean:
+	rm -rf build/ dist/ *.egg-info/ .eggs/ .pytest_cache/ .coverage
+	find . -type d -name __pycache__ -exec rm -rf '{}' +