Update index.md

Author: denisJaved

topics/linux-learning/index.md

@@ -4,5 +4,6 @@ display_name: Linux learning
 short_description: Projects designed to make learning Linux easier
 topic: linux-learning
 wikipedia_url: https://en.wikipedia.org/wiki/Linux
+logo: Group 157.png
 ---
 Projects trying to make learning linux easier