adding benchmark results preview

Author: jkyberneees

0http-benchmarks.png

@@ -1,6 +1,9 @@
 # Introduction
 Experimental, bun-based HTTP framework inspired by [0http](https://0http.21no.de/#/)
 
+![Performance Benchmarks](0http-benchmarks.png)
+> MacBook Pro (13-inch, 2020) 
+
 ## Usage
 ```js
 const http = require('0http-bun')