Add appveyor.yml

appveyor.yml

@@ -0,0 +1,22 @@
+image: Visual Studio 2015
+
+environment:
+  nodejs_version: "8"
+
+platform:
+  - x64
+
+install:
+  - ps: Install-Product node $env:nodejs_version
+  - node --version
+  - npm --version
+  - npm install
+
+test_script:
+  - npm run test-windows
+
+build: off
+
+branches:
+  only:
+    - master

package.json

@@ -17,6 +17,7 @@
   },
   "scripts": {
     "build": "tree-sitter generate && node-gyp build",
-    "test": "tree-sitter test && script/parse-examples.sh"
+    "test": "tree-sitter test && script/parse-examples.sh",
+    "test-windows": "tree-sitter test"
   }
 }