feat(ui): Shadow UI redesign, domain management, and DNS autoconfigure (#11119)

Co-authored-by: ShadowArcanist <162910371+ShadowArcanist@users.noreply.github.com>

app/Models/InstanceSettings.php

@@ -33,6 +33,7 @@ class InstanceSettings extends Model
         'resend_api_key',
         'is_dns_validation_enabled',
         'custom_dns_servers',
+        'domain_connect_private_key',
         'instance_name',
         'is_api_enabled',
         'allowed_ips',
@@ -58,6 +59,7 @@ class InstanceSettings extends Model
         'smtp_username',
         'smtp_password',
         'resend_api_key',
+        'domain_connect_private_key',
         'sentinel_token',
     ];
 
@@ -74,6 +76,7 @@ class InstanceSettings extends Model
 
         'resend_enabled' => 'boolean',
         'resend_api_key' => 'encrypted',
+        'domain_connect_private_key' => 'encrypted',
 
         'allowed_ip_ranges' => 'array',
         'is_auto_update_enabled' => 'boolean',