add AppVeyor badge

stevemao · stevemao · commit c70678b1b032 · 2016-02-16T11:09:03.000+11:00
diff --git a/readme.md b/readme.md
@@ -1,4 +1,4 @@
-# diff-so-fancy  [![Circle CI build](https://circleci.com/gh/so-fancy/diff-so-fancy.svg?style=svg)](https://circleci.com/gh/so-fancy/diff-so-fancy) [![TravisCI build](https://travis-ci.org/so-fancy/diff-so-fancy.svg?branch=master)](https://travis-ci.org/so-fancy/diff-so-fancy)
+# diff-so-fancy  [![Circle CI build](https://circleci.com/gh/so-fancy/diff-so-fancy.svg?style=svg)](https://circleci.com/gh/so-fancy/diff-so-fancy) [![TravisCI build](https://travis-ci.org/so-fancy/diff-so-fancy.svg?branch=master)](https://travis-ci.org/so-fancy/diff-so-fancy) [![AppVeyor build](https://ci.appveyor.com/api/projects/status/github/so-fancy/diff-so-fancy?branch=master&svg=true)](https://ci.appveyor.com/project/stevemao/diff-so-fancy/branch/master)
 
 diff-so-fancy builds on the good-lookin' output of [git contrib](https://github.com/git/git/tree/master/contrib)'s [diff-highlight](https://github.com/git/git/tree/master/contrib/diff-highlight) to upgrade
 your diffs' appearances.

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-# diff-so-fancy [![Circle CI build](https://circleci.com/gh/so-fancy/diff-so-fancy.svg?style=svg)](https://circleci.com/gh/so-fancy/diff-so-fancy) [![TravisCI build](https://travis-ci.org/so-fancy/diff-so-fancy.svg?branch=master)](https://travis-ci.org/so-fancy/diff-so-fancy)`
	`1`	`+# diff-so-fancy [![Circle CI build](https://circleci.com/gh/so-fancy/diff-so-fancy.svg?style=svg)](https://circleci.com/gh/so-fancy/diff-so-fancy) [![TravisCI build](https://travis-ci.org/so-fancy/diff-so-fancy.svg?branch=master)](https://travis-ci.org/so-fancy/diff-so-fancy) [![AppVeyor build](https://ci.appveyor.com/api/projects/status/github/so-fancy/diff-so-fancy?branch=master&svg=true)](https://ci.appveyor.com/project/stevemao/diff-so-fancy/branch/master)`
`2`	`2`
`3`	`3`	`diff-so-fancy builds on the good-lookin' output of [git contrib](https://github.com/git/git/tree/master/contrib)'s [diff-highlight](https://github.com/git/git/tree/master/contrib/diff-highlight) to upgrade`
`4`	`4`	`your diffs' appearances.`