Use minimized versions of CSS assets

Co-authored-by: Hugo van Kemenade <hugovk@users.noreply.github.com>

Author: tfuxu

index.html

@@ -10,9 +10,9 @@
 
         <link rel="stylesheet" href="assets/css/pillow.css">
 
-        <link href="assets/fontawesome/css/fontawesome.css" rel="stylesheet">
-        <link href="assets/fontawesome/css/brands.css" rel="stylesheet">
-        <link href="assets/fontawesome/css/solid.css" rel="stylesheet">
+        <link href="assets/fontawesome/css/fontawesome.min.css" rel="stylesheet">
+        <link href="assets/fontawesome/css/brands.min.css" rel="stylesheet">
+        <link href="assets/fontawesome/css/solid.min.css" rel="stylesheet">
 
         <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-9ndCyUaIbzAi2FUVXJi0CjmCapSmO7SnpJef0486qhLnuZ2cdeRhO02iuK6FUUVM" crossorigin="anonymous">