update fontawesome integration and add kit support

app/Admin/Enqueue.php

@@ -13,9 +13,9 @@ class Enqueue
     {
         wp_enqueue_style(
             'fontawesome',
-            'https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.2/css/all.min.css',
+            'https://cdnjs.cloudflare.com/ajax/libs/font-awesome/7.0.1/css/all.min.css',
             false,
-            '6.5.2',
+            '7.0.1',
             'all'
         );
     }

app/Admin/Integrations.php

@@ -7,6 +7,7 @@ class Integrations
     public function __construct()
     {
         add_action( 'wp_head',  [$this, 'FathomAnalytics']);
+        add_action( 'wp_footer',  [$this, 'FontAwesomeKit'], 100);
     }
 
     public function FathomAnalytics()
@@ -21,4 +22,17 @@ class Integrations
 
         <?php endif;
     }
+
+    public function FontAwesomeKit()
+    {
+        $kit = get_field('badegg_integrations_fontawesome_kit', 'option');
+
+        if($kit): ?>
+
+<!-- FontAwesome Kit -->
+<script src="https://kit.fontawesome.com/<?= $kit ?>.js" crossorigin="anonymous"></script>
+<!-- / FontAwesome Kit -->
+
+        <?php endif;
+    }
 }