fix: use absolute links in readme

README.md

@@ -1,6 +1,13 @@
 # <img style="height: 1em;" src="images/icon.png"/> Listary.FileAppPlugin
+
+<!--
+This README is also included in the NuGet package. Remember to use absolute links to maintain compatibility.
+
+NuGet does not support HTML elements, so there is no need to use absolute links in <img>, because even then they will not be displayed properly.
+-->
+
 [![NuGet](http://img.shields.io/nuget/v/Listary.FileAppPlugin.svg)](https://www.nuget.org/packages/Listary.FileAppPlugin)
 
 [Listary](https://www.listary.com/) file application plugin interfaces.
 
-- [Getting Started](docs/Getting%20Started.md)
+- [Getting Started](https://github.com/listary/Listary.FileAppPlugin/blob/master/docs/Getting%20Started.md)