chore: Add Makefile for common project tasks

Makefile

@@ -0,0 +1,24 @@
+test: bootstrap
+	molecule test --all
+
+test-%: bootstrap
+	molecule test -s "$*"
+
+lint: bootstrap
+	molecule lint
+
+bootstrap:
+	$(eval PIP := $(shell which pip))
+	$(if $(PIP),,$(eval PIP := $(shell which pip3)))
+	$(if $(PIP),,$(error No pip or pip3 found in PATH))
+
+	$(PIP) install -r requirements.txt
+
+new-version:
+	$(if $(shell which npx),,\
+		$(error No npx not found in PATH, please install NodeJS))
+	$(if $(shell which standardx-version),,\
+		$(error No standard-version not found in PATH, install with: \
+			npm install -g standard-version))
+
+	npx standard-version --tag-prefix=''