Added Vagrantfile

Added a `Vagrantfile` which builds an alpine-based environment that can
be used for development and testing.

.gitignore

@@ -1,5 +1,7 @@
+*.log
 *.pyc
 .env
+.vagrant
 MANIFEST
 build
 cheat.egg-info

Vagrantfile

@@ -0,0 +1,17 @@
+# -*- mode: ruby -*-
+# vi: set ft=ruby :
+
+Vagrant.configure("2") do |config|
+  config.vm.box = "alpine/alpine64"
+
+  config.vm.provider "virtualbox" do |vb|
+    vb.memory = "256"
+  end
+
+  config.vm.provision "shell", inline: <<-SHELL
+     sudo apk update
+     sudo apk add py-pip
+     su vagrant && sudo -H pip install docopt pygments termcolor flake8
+     cd /vagrant && sudo python setup.py install
+  SHELL
+end