Added performance graph

Signed-off-by: Vishal Rana <[email protected]>

Author: vishr

README.md

@@ -37,6 +37,8 @@ Based on [vishr/go-http-routing-benchmark] (https://github.com/vishr/go-http-rou
 
 > Echo: 38662 ns/op, 0 B/op, 0 allocs/op
 
+![Performance](http://i.imgur.com/UskYRUl.png)
+
 ```
 BenchmarkAce_GithubAll              20000             93675 ns/op           13792 B/op      167 allocs/op
 BenchmarkBear_GithubAll             10000            264194 ns/op           79952 B/op      943 allocs/op

website/docs/index.md

@@ -36,6 +36,10 @@ Echo is a fast HTTP router (zero dynamic memory allocation) and micro web framew
 - Customizable request binding function.
 - Customizable response rendering function, allowing you to use any HTML template engine.
 
+## Performance
+
+![Performance](http://i.imgur.com/UskYRUl.png)
+
 ## Getting Started
 
 ### Installation