Add appveyor and badges

.travis.yml

@@ -1,6 +1,8 @@
 language: node_js
 node_js:
-    - "lts/*"
+    - "9"
+    - "8"
+    - "6"
 cache:
     directories:
         - "node_modules"

README.md

@@ -1,6 +1,9 @@
 # flow2avro
 
-[![Build Status](https://travis-ci.org/loyd/flow2avro.svg?branch=master)](https://travis-ci.org/loyd/flow2avro)
+[![Version npm](https://img.shields.io/npm/v/flow2avro.svg)](https://www.npmjs.com/package/flow2avro)
+[![Linux Build](https://travis-ci.org/loyd/flow2avro.svg?branch=master)](https://travis-ci.org/loyd/flow2avro)
+[![Windows Build](https://ci.appveyor.com/api/projects/status/github/loyd/flow2avro?branch=master&svg=true)](https://ci.appveyor.com/project/loyd/flow2avro)
+[![Coverage Status](https://coveralls.io/repos/github/loyd/flow2avro/badge.svg?branch=master)](https://coveralls.io/r/loyd/flow2avro?branch=master)
 
 ## Example
 
@@ -30,8 +33,8 @@ Output:
         { name: 'baz', type: { type: 'enum', symbols: [ 'one', 'two' ] } },
         { name: 'mix', type: [
             'double',
-            { type: 'enum', symbols: [ 'one', 'two' ] }
-        ] }
+            { type: 'enum', symbols: [ 'one', 'two' ] },
+        ] },
     ],
 ]
 ```

appveyor.yml

@@ -0,0 +1,17 @@
+environment:
+    matrix:
+        - nodejs_version: '9'
+        - nodejs_version: '8'
+        - nodejs_version: '6'
+matrix:
+    fast_finish: true
+install:
+    - ps: Install-Product node $env:nodejs_version
+    - npm install
+test_script:
+    - node --version
+    - npm --version
+    - npm test
+cache:
+    - node_modules
+build: off

package.json

@@ -30,6 +30,6 @@
     "jsondiffpatch": "^0.2.5"
   },
   "scripts": {
-    "test": "tests/do"
+    "test": "node tests/do"
   }
 }