Merge pull request #16 from simonihmig/appveyor

Add appveyor

Author: simonihmig

README.md

@@ -1,6 +1,7 @@
 # ember-test-helpers-codemod
 
 [![Build Status](https://travis-ci.org/simonihmig/ember-test-helpers-codemod.svg?branch=master)](https://travis-ci.org/simonihmig/ember-test-helpers-codemod)
+[![Build status](https://ci.appveyor.com/api/projects/status/fadn7iu9fl53qb6k/branch/master?svg=true)](https://ci.appveyor.com/project/simonihmig/ember-test-helpers-codemod/branch/master)
 [![npm version](https://badge.fury.io/js/ember-test-helpers-codemod.svg)](https://badge.fury.io/js/ember-test-helpers-codemod)
 
 A [jscodeshift](https://github.com/facebook/jscodeshift) based codemod to help migrating your jQuery or 

appveyor.yml

@@ -0,0 +1,26 @@
+environment:
+  matrix:
+    - nodejs_version: "4"
+    - nodejs_version: "6"
+    - nodejs_version: "8"
+
+# Fix line endings in Windows. (runs before repo cloning)
+init:
+  - git config --global core.autocrlf true
+
+# Install scripts. (runs after repo cloning)
+install:
+  - ps: Install-Product node $env:nodejs_version
+  - appveyor-retry yarn
+
+# Post-install test scripts.
+test_script:
+  - node --version
+  - yarn test
+
+# http://help.appveyor.com/discussions/questions/1310-delete-cache
+cache:
+  - '%LOCALAPPDATA%\Yarn'
+
+# Don't actually build.
+build: off