feat(auth): implement AdminApp login functionality with controller, request, routes, and tests

app/Domains/Auth/routes/adminapp.php

@@ -0,0 +1,8 @@
+<?php
+
+use App\Domains\Auth\Controllers\AdminAppLoginController;
+use Illuminate\Support\Facades\Route;
+
+Route::prefix('v1/adminapp')->group(function (): void {
+    Route::post('login', AdminAppLoginController::class)->middleware('throttle:login');
+});