docs: update readme

Author: h-enk

README.md

@@ -1,5 +1,3 @@
-![alt text](https://raw.githubusercontent.com/h-enk/doks/master/images/tn.png "Logo Title Text 1")
-
 # Doks
 
 [![GitHub release](https://img.shields.io/github/release/h-enk/doks.svg?style=flat-square)](https://github.com/h-enk/doks/releases)
@@ -8,6 +6,8 @@
 
 Doks is a Hugo theme helping you build modern documentation websites that are secure, fast, and SEO-ready — by default.
 
+![Doks — Modern Documentation Theme](https://raw.githubusercontent.com/h-enk/doks/master/images/tn.png)
+
 ## Demo
 
 - [doks.netlify.app](https://doks.netlify.app/)