Update style.css

As required by the Dotorg reviewer

leancv/style.css

@@ -1,8 +1,8 @@
 /*
 Theme Name: LeanCV
-Theme URI: 
+Theme URI: https://themeshaper.com/leancv/
 Author: Automattic
-Author URI: https://wordpress.org
+Author URI: https://automattic.com
 Description: LeanCV is a blog theme that echoes the structure of a professional profile with original visuals and interesting navigation. It's suitable for the general public to display information, experiences, and education. And it's super easy to customize.
 Requires at least: 6.0
 Tested up to: 6.5