[ansible] Add a barebones Makefile to set up a local Ansible environment

Ansible/Makefile

@@ -0,0 +1,11 @@
+
+init: venv deps
+
+venv: ./env/bin/pip
+	python3 -m venv env
+
+deps: ./env/bin/ansible-playbook
+	./env/bin/pip install -r requirements.txt
+
+freeze:
+	./env/bin/pip freeze > requirements.txt