updated README

Author: Felix-xilef

README.md

@@ -1,2 +1,7 @@
 # unity-ui-toolkit-icon-component
+
 An UI Toolkit component for simple usage of icon fonts at the UI.
+
+> For more information about the package and it's usage check the [Package README](Assets/UI%20Toolkit%20Icon%20Component/README.md)
+
+### **Don't forget to also check out the package at [Unity Asset Store](https://assetstore.unity.com/packages/slug/293215)**