various fixes

cookbook/migrations/0012_auto_20191118_1251.py

@@ -0,0 +1,18 @@
+# Generated by Django 2.2.7 on 2019-11-18 11:51
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('cookbook', '0011_recipe_time'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='recipe',
+            name='time',
+            field=models.IntegerField(default=0),
+        ),
+    ]