Added creator of the icon to README

README.md

 # Dragons-Funscripta
 
-A little Windows Application for creating funscript files and/or converting them to the corresponding csv format.
+A little Windows Application for creating funscript files and/or converting them to the corresponding csv format.
+
+<div>Icons erstellt von <a href="https://www.flaticon.com/de/autoren/smashicons" title="Smashicons">Smashicons</a> from <a href="https://www.flaticon.com/de/" title="Flaticon">www.flaticon.com</a></div>