Update README.md

Author: ethanhann

README.md

@@ -2,7 +2,13 @@
 
 [Project Site](http://inengine.net/)
 
-![NuGet Downloads](https://img.shields.io/nuget/dt/IntegrationEngine.svg?style=flat-square)
-![AppVeyor Master](https://ci.appveyor.com/api/projects/status/github/ethanhann/inengine.net?branch=master&svg=true&passingText=master%20-%20OK)
-![AppVeyor Develop](https://ci.appveyor.com/api/projects/status/github/ethanhann/inengine.net?branch=develop&svg=true&passingText=develop%20-%20OK)
+<a href="https://www.nuget.org/packages/IntegrationEngine/">
+    <img src="https://img.shields.io/nuget/dt/IntegrationEngine.svg?style=flat-square">
+</a>
+<a href="https://ci.appveyor.com/project/ethanhann/inengine-net/branch/master">
+    <img src="https://ci.appveyor.com/api/projects/status/github/ethanhann/inengine.net?branch=master&svg=true&passingText=master%20-%20OK">
+</a>
+<a href="https://ci.appveyor.com/project/ethanhann/inengine-net/branch/develop">
+    <img src="https://ci.appveyor.com/api/projects/status/github/ethanhann/inengine.net?branch=develop&svg=true&passingText=develop%20-%20OK">
+</a>