update readme logo

Author: Taymindis

README.md

@@ -1,6 +1,4 @@
-<p align="center">
-![nginx link function Logo](nginx-link-function-logo.png)
-</p>
+<img align="center" src="nginx-link-function-logo.png" alt="nginx link function Logo" />
 <h1 align="center">nginx-link-function</h1>
 <h3 align="center">The Application dynamic linking with Nginx </h3>