Add Makefile to make testing and publishing easier

Makefile

@@ -0,0 +1,39 @@
+publish: publish_dry
+	@echo "---------------"
+	@echo "Running publish"
+	@echo "---------------"
+	cargo publish
+
+publish_dry: test_docker
+	@echo "-------------------"
+	@echo "Running publish_dry"
+	@echo "-------------------"
+	@if [ -n "$(git status --porcelain)" ]; then \
+		echo "There are changes." && exit 1; \
+	fi
+	cargo publish --dry-run
+
+test_docker: setup_tests
+	@echo "-------------------"
+	@echo "Running test_docker"
+	@echo "-------------------"
+	docker build -t tinty . && docker run tinty
+
+test: setup_tests
+	@echo "------------"
+	@echo "Running test"
+	@echo "------------"
+	RUST_TEST_THREADS=1 cargo test
+
+setup_tests: build
+	@echo "-----------------"
+	@echo "Creating fixtures"
+	@echo "-----------------"
+	./scripts/create_fixtures
+
+build:
+	@echo "-------------"
+	@echo "Running build"
+	@echo "-------------"
+	cargo build --release
+