Update README.md

Author: Prier

README.md

@@ -1,16 +1,13 @@
 <p>
 </p>
 <div align="center">
-    <img width=25% src="doc/_static/sdu_modeling_logo.png">
-</div>
-<div align="center">
-<p>
-</p>
-
-[![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)
-[![GitHub Workflow Status](https://img.shields.io/github/actions/workflow/status/SDU-Robotics/sdu_modeling/ci.yml?branch=main)](https://github.com/SDU-Robotics/sdu_modeling/actions/workflows/ci.yml)
-[![Documentation Status](https://readthedocs.org/projects/sdu_modeling/badge/)](https://sdu-modeling.readthedocs.io/)
-
+  <img width=25% src="doc/_static/sdu_modeling_logo.png">    
+  <p> 
+  </p>
+    
+  [![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)
+  [![GitHub Workflow Status](https://img.shields.io/github/actions/workflow/status/SDU-Robotics/sdu_modeling/ci.yml?branch=main)](https://github.com/SDU-Robotics/sdu_modeling/actions/workflows/ci.yml)
+  [![Documentation Status](https://readthedocs.org/projects/sdu_modeling/badge/)](https://sdu-modeling.readthedocs.io/) &nbsp;&nbsp;&nbsp;
 </div>
 
 # sdu_modeling