Add appveyor.yml

Author: Ruben Schmidmeister

appveyor.yml

@@ -0,0 +1,16 @@
+environment:
+  nodejs_version: "7"
+
+init:
+- git config --global core.autocrlf true
+
+install:
+- ps: Install-Product node $env:nodejs_version
+- npm install
+
+test_script:
+- node --version
+- npm --version
+- npm test
+
+build: off