Added EndsWith rule

src/Validation/Rules/EndsWith.php

@@ -0,0 +1,27 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Tempest\Validation\Rules;
+
+use Attribute;
+use Tempest\Interface\Rule;
+
+#[Attribute]
+final readonly class EndsWith implements Rule
+{
+    public function __construct(
+        private string $needle,
+    ) {
+    }
+
+    public function isValid(mixed $value): bool
+    {
+        return str_ends_with($value, $this->needle);
+    }
+
+    public function message(): string
+    {
+        return "Value should end with {$this->needle}";
+    }
+}

tests/Validation/Rules/EndsWithTest.php

@@ -0,0 +1,22 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Tests\Tempest\Validation\Rules;
+
+use PHPUnit\Framework\TestCase;
+use Tempest\Validation\Rules\EndsWith;
+
+class EndsWithTest extends TestCase
+{
+    /** @test */
+    public function test_ends_with()
+    {
+        $rule = new EndsWith(needle: 'ab');
+
+        $this->assertTrue($rule->isValid('ab'));
+        $this->assertTrue($rule->isValid('cab'));
+        $this->assertFalse($rule->isValid('b'));
+        $this->assertFalse($rule->isValid('3434'));
+    }
+}