Update description

mkdocs.yml

@@ -1,7 +1,7 @@
 site_name: "encantar.js: GPU-accelerated Augmented Reality for the web"
 site_url: https://alemart.github.io/encantar-js
 site_author: Alexandre Martins
-site_description: Home of encantar.js, a GPU-accelerated Augmented Reality engine for the web
+site_description: The Augmented Reality engine that will enchant you!
 copyright: Copyright © 2022 - present Alexandre Martins
 
 repo_name: alemart/encantar-js