feat: datetime_now helper util

app/base/migrations/0002_alter_booking_begin_time.py

@@ -0,0 +1,20 @@
+# Generated by Django 4.2 on 2023-06-02 14:45
+
+import app.base.forms.fields
+import app.base.forms.utils
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('base', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='booking',
+            name='begin_time',
+            field=app.base.forms.fields.DateTimeField(default=app.base.forms.utils.datetime_now, verbose_name='Beginn'),
+        ),
+    ]