Update README.md

centralize and stop.

Author: br-amaral

README.md

@@ -1,8 +1,11 @@
 
-# Adding papers to the Zipkin Lab code archive front-facing page
+<div align="center">
 
+# Adding papers to the Zipkin Lab code archive front-facing page
 **Author:** Bruna Amaral  
 
+</div>
+
 ---
 
 Here are the steps and information to add a new GitHub repository to the <a href="https://zipkinlab.github.io/" style="color: #077907ff;">Zipkin Lab Code Archive</a> front-face page, if you are one of the 'GitHub people'.