Added basic models and factories

tests/Unit/Model/ClientModelTest.php

@@ -0,0 +1,26 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Tests\Unit\Model;
+
+use App\Models\Client;
+use App\Models\Team;
+
+class ClientModelTest extends ModelTestAbstract
+{
+    public function test_it_belongs_to_a_organization(): void
+    {
+        // Arrange
+        $organization = Team::factory()->create();
+        $client = Client::factory()->forOrganization($organization)->create();
+
+        // Act
+        $client->refresh();
+        $organizationRel = $client->organization;
+
+        // Assert
+        $this->assertNotNull($organizationRel);
+        $this->assertTrue($organizationRel->is($organization));
+    }
+}