Switch order in readme

Author: codingjoe

README.md

@@ -1,9 +1,9 @@
 # DP100 WebApp
 
-![screenshot](screenshot-UI-graph.png)
-
 A browser interface for the DP100 digital power supply by Alientek.
 
+![screenshot](screenshot-UI-graph.png)
+
 ## Features
 
 - Connect to the DP100 using your browser (no installation required).