Fix badges links

Author: kblok

README.md

@@ -1,7 +1,7 @@
 # Puppeteer Sharp
 
-[![NuGet](https://img.shields.io/nuget/v/PuppeteerSharp.svg?style=flat-square&label=nuget&colorB=green)](NugetUrl)
-[![Build status](https://ci.appveyor.com/api/projects/status/pwfkjb0c4jfdo7lc/branch/master?svg=true)](BuildUrl)
+[![NuGet](https://img.shields.io/nuget/v/PuppeteerSharp.svg?style=flat-square&label=nuget&colorB=green)][NugetUrl]
+[![Build status](https://ci.appveyor.com/api/projects/status/pwfkjb0c4jfdo7lc/branch/master?svg=true)][BuildUrl]
 
 [NugetUrl]: https://www.nuget.org/packages/PuppeteerSharp/
 [BuildUrl]: https://ci.appveyor.com/project/kblok/puppeteer-sharp/branch/master