docs: Update README overview description with trailing space

Author: mik-tf

README.md

@@ -4,7 +4,7 @@
 [![GitHub stars](https://img.shields.io/github/stars/tfgrid-studio/tfgrid-wordpress)](https://github.com/tfgrid-studio/tfgrid-wordpress/stargazers)
 [![GitHub issues](https://img.shields.io/github/issues/tfgrid-studio/tfgrid-wordpress)](https://github.com/tfgrid-studio/tfgrid-wordpress/issues)
 
-Self-hosted WordPress with Caddy and MariaDB on ThreeFold Grid.
+Self-hosted WordPress with Caddy and MariaDB on ThreeFold Grid. 
 
 ## Overview