🎨 style: remove trailing slash from link in README

Updated the URL format in the README file to remove the unnecessary
trailing slash which improves the cleanliness of the documentation.

Author: w3bdesign

README.md

@@ -25,7 +25,7 @@ Fourth version of my personal portfolio website with Next.js, Motion, Sanity.io
 
 ## Live URL
 
-<https://www.dfweb.no/>
+<https://www.dfweb.no>
 
 ## Frontend (Next.js)