docs : appveyor badge added

README.md

@@ -6,6 +6,7 @@
 <a href="https://www.python.org/"><img src="https://img.shields.io/badge/built%20with-Python3-green.svg" alt="built with Python3" /></a>
 <a class="badge-align" href="https://www.codacy.com/app/sepand-haghighi/telecheck?utm_source=github.com&amp;utm_medium=referral&amp;utm_content=sepandhaghighi/telecheck&amp;utm_campaign=Badge_Grade"><img src="https://api.codacy.com/project/badge/Grade/f758d0cd1c3c4f9285d0198a2f01ce62"/></a>
 <a href="https://travis-ci.org/sepandhaghighi/telecheck"><img src="https://travis-ci.org/sepandhaghighi/telecheck.svg?branch=master"></a>
+<a href="https://ci.appveyor.com/project/sepandhaghighi/telecheck/"><img src="https://ci.appveyor.com/api/projects/status/ftpctu93eqwb92wd?svg=true"></a>
 <a href="https://codecov.io/gh/sepandhaghighi/telecheck">
   <img src="https://codecov.io/gh/sepandhaghighi/telecheck/branch/master/graph/badge.svg" />
 </a>