Update screenshot

Author: muan

README.md

@@ -6,7 +6,7 @@ Dashboard
 GitHub activity feed is filled with tons of different activities. I care about some of them, sometimes, but not all the time.
 I always thought that it would be good to have an **activity filter** like this, but I didn't know for sure if it would be helpful. So I made this to find out.
 
-![screenshot](https://cl.ly/3O3M012N3q1I/Image%202018-01-24%20at%206.09.52%20PM.png)
+![screenshot](https://user-images.githubusercontent.com/1153134/43299617-d3e58f7c-9128-11e8-91ec-a1df1eb048a1.png)