Add ManagesSocialiteUsers concern and resources for listing third-party connections

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/Id/Resources/SocialiteUser.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace Anikeen\Id\Resources;
+
+/**
+ * @property string $id
+ * @property string $user_id
+ * @property string $driver
+ * @property string $uid
+ * @property string|null $display_name
+ * @property string|null $avatar
+ * @property string|null $expires_at
+ * @property string $created_at
+ * @property string $updated_at
+ */
+class SocialiteUser extends BaseResource
+{
+}

src/Id/Resources/SocialiteUsers.php

@@ -0,0 +1,15 @@
+<?php
+
+namespace Anikeen\Id\Resources;
+
+use Anikeen\Id\Concerns\HasParent;
+
+class SocialiteUsers extends BaseCollection
+{
+    use HasParent;
+
+    public function find(string $id): ?SocialiteUser
+    {
+        return null;
+    }
+}