refactor controllers to use form requests for validation

app/Http/Requests/PersonaliaRequest.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace App\Http\Requests;
+
+use Illuminate\Foundation\Http\FormRequest;
+
+class PersonaliaRequest extends FormRequest
+{
+    public function authorize(): bool
+    {
+        return true;
+    }
+
+    public function rules(): array
+    {
+        return [
+            'key' => ['required', 'string', 'max:255'],
+            'value' => ['required', 'string', 'max:255'],
+            'hidden' => ['nullable', 'boolean'],
+            'icon' => ['nullable', 'string', 'max:255'],
+        ];
+    }
+
+    public function messages(): array
+    {
+        return [
+            'key.required' => 'Een sleutel is verplicht.',
+            'value.required' => 'Een waarde is verplicht.',
+        ];
+    }
+
+}