[feature/validation-wrapping] Rename ValidationHandler and update ref…

…erences

Moved the ValidationHandler class to the Validation namespace and updated all relevant references in tests and documentation. This refactor improves the project structure by grouping validation-related code logically.

docs/Handlers/ValidationHandler.md

@@ -34,7 +34,7 @@ composer require midnite81/core
 ### Basic Usage
 
 ```php
-use Midnite81\Core\Handlers\ValidationHandler;
+use Midnite81\Core\Validation\ValidationHandler;
 
 $handler = ValidationHandler::make()
     ->setRules([
@@ -58,7 +58,7 @@ classes:
 
 ```php
 use App\Http\Requests\YourCustomFormRequest;
-use Midnite81\Core\Handlers\ValidationHandler;
+use Midnite81\Core\Validation\ValidationHandler;
 
 $handler = ValidationHandler::make()
     ->setFormRequest(YourCustomFormRequest::class)
@@ -129,7 +129,7 @@ Here's a comprehensive example of how you might use the `ValidationHandler` in a
 nature of the `onFail` callback:
 
 ```php
-use Midnite81\Core\Handlers\ValidationHandler;
+use Midnite81\Core\Validation\ValidationHandler;
 use Illuminate\Validation\ValidationException;
 
 class YourController extends Controller

src/Handlers/ValidationHandler.php → src/Validation/ValidationHandler.php

@@ -2,7 +2,7 @@
 
 declare(strict_types=1);
 
-namespace Midnite81\Core\Handlers;
+namespace Midnite81\Core\Validation;
 
 use Closure;
 use Illuminate\Auth\Access\AuthorizationException;

tests/Handlers/ValidationHandlerTest.php

@@ -10,8 +10,8 @@
 use Illuminate\Http\Request;
 use Illuminate\Support\Facades\Route;
 use Illuminate\Validation\ValidationException;
-use Midnite81\Core\Handlers\ValidationHandler;
 use Midnite81\Core\Tests\CoreTestCase;
+use Midnite81\Core\Validation\ValidationHandler;
 
 uses(CoreTestCase::class, WithoutMiddleware::class);