feat(Contact & membership forms update with their notification)

app/Rules/ValidCaptcha.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace App\Rules;
+
+use Closure;
+use Illuminate\Contracts\Validation\ValidationRule;
+
+class ValidCaptcha implements ValidationRule
+{
+    public function __construct(private readonly string $sessionKey = 'captcha_answer') {}
+
+    /**
+     * @param  \Closure(string, ?string=): \Illuminate\Translation\PotentiallyTranslatedString  $fail
+     */
+    public function validate(string $attribute, mixed $value, Closure $fail): void
+    {
+        if (trim((string) $value) !== (string) session($this->sessionKey)) {
+            $fail('Le code de vérification est incorrect.');
+        }
+    }
+}