added setting to disable recent viewed recipes

cookbook/migrations/0045_userpreference_show_recent.py

@@ -0,0 +1,18 @@
+# Generated by Django 3.0.5 on 2020-06-02 08:51
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('cookbook', '0044_viewlog'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='userpreference',
+            name='show_recent',
+            field=models.BooleanField(default=True),
+        ),
+    ]