(doc) Minor change to docs

Author: gep13

docs/input/index.cshtml

@@ -10,4 +10,7 @@ NoGutter: true
     <p>
         Cake.DotNetTool.Module is a Module for Cake, which extends it with a new IPackageInstaller for installing tools using the dotnet CLI.
     </p>
+    <p>
+        You can find an introductory blog post about it <a href="https://www.gep13.co.uk/blog/introducing-cake.dotnettool.module">here</a>.
+    </p>
 </div>