Allow deleting snips (including git repo)

src/Form/ConfirmationType.php

@@ -0,0 +1,33 @@
+<?php
+
+namespace App\Form;
+
+use Symfony\Component\Form\AbstractType;
+use Symfony\Component\Form\Extension\Core\Type\CheckboxType;
+use Symfony\Component\Form\Extension\Core\Type\SubmitType;
+use Symfony\Component\Form\FormBuilderInterface;
+use Symfony\Component\OptionsResolver\OptionsResolver;
+use Symfony\Component\Validator\Constraints\IsTrue;
+
+class ConfirmationType extends AbstractType
+{
+    public function buildForm(FormBuilderInterface $builder, array $options): void
+    {
+        $builder
+            ->add('Check', CheckboxType::class, [
+                'constraints' => [
+                    new IsTrue([
+                        'message' => $options['message_wrong'],
+                    ]),
+                ],
+            ])
+            ->add('confirm', SubmitType::class);
+    }
+
+    public function configureOptions(OptionsResolver $resolver): void
+    {
+        $resolver->setDefaults([
+            'message_wrong' => 'This should be checked.',
+        ]);
+    }
+}