Xamarin.Forms-Samples/HyperlinkCustomRender/packages/repositories.config

<?xml version="1.0" encoding="utf-8"?>
<repositories>
  <repository path="..\HyperlinkCustomRender\HyperlinkCustomRender.Droid\packages.config" />
  <repository path="..\HyperlinkCustomRender\HyperlinkCustomRender.iOS\packages.config" />
  <repository path="..\HyperlinkCustomRender\HyperlinkCustomRender.WinPhone\packages.config" />
  <repository path="..\HyperlinkCustomRender\HyperlinkCustomRender\packages.config" />
</repositories>