feat(auth): implement AdminAppMeController and AdminAppMeResource; add routes and tests for user context retrieval

app/Domains/Auth/Resources/AdminAppMeResource.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace App\Domains\Auth\Resources;
+
+use App\Domains\Auth\Models\User;
+use App\Domains\Tenant\Resources\TenantResource;
+use Illuminate\Http\Request;
+use Illuminate\Http\Resources\Json\JsonResource;
+
+/**
+ * @mixin User
+ */
+class AdminAppMeResource extends JsonResource
+{
+    /**
+     * @return array<string, mixed>
+     */
+    public function toArray(Request $request): array
+    {
+        return [
+            'user' => UserResource::make($this->resource),
+            'tenant' => TenantResource::make($this->tenant),
+        ];
+    }
+}