add screenshot

Author: zschuessler

readme.md

@@ -2,6 +2,8 @@
 
 Quickly add body classes to your Laravel app based on rules you set.
 
+![Alt text](https://raw.githubusercontent.com/zschuessler/laravel-route-to-class/master/readme-header.png "Screenshot")
+
 Example of implementations:
 
 1. Browsing as a guest might add `user-isGuest` as a class.
@@ -125,4 +127,4 @@ https://github.com/zschuessler/route2class-demo
 
 ## License
 
-This is public domain. Do what you want.
+This is public domain. Do what you want.