account linking and docs update

cookbook/migrations/0107_auto_20210128_1535.py

@@ -0,0 +1,17 @@
+# Generated by Django 3.1.5 on 2021-01-28 14:35
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('cookbook', '0106_shoppinglist_supermarket'),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name='supermarketcategoryrelation',
+            options={'ordering': ('order',)},
+        ),
+    ]