fix img link

Author: jcs090218

README.md

@@ -1,7 +1,7 @@
 [![License: GPL v3](https://img.shields.io/badge/License-GPL%20v3-blue.svg)](https://www.gnu.org/licenses/gpl-3.0)
 [![JCS-ELPA](https://raw.githubusercontent.com/jcs-emacs/badges/master/elpa/v/codegpt.svg)](https://jcs-emacs.github.io/jcs-elpa/#/codegpt)
 
-<a href="#"><img align="right" src="./docs/logo.png" width="20%"></a>
+<a href="#"><img align="right" src="./etc/logo.png" width="20%"></a>
 # codegpt
 > Use GPT-3 inside Emacs