Add PostgreSQL Support (#3)

Reviewed-on: #3

tests/unit/Mapper/ArrayMapperTest.php

@@ -3,11 +3,13 @@
 namespace Test\Unit\Mapper;
 
 use BitBadger\PDODocument\Mapper\ArrayMapper;
+use PHPUnit\Framework\Attributes\TestDox;
 use PHPUnit\Framework\TestCase;
 
 /**
  * Unit tests for the ArrayMapper class
  */
+#[TestDox('Array Mapper (Unit tests)')]
 class ArrayMapperTest extends TestCase
 {
     public function testMapSucceeds(): void