Add Aavin to shop=dairy (#11914)

Author: SridharRG

data/brands/shop/dairy.json

@@ -10,6 +10,17 @@
     }
   },
   "items": [
+    {
+      "displayName": "Aavin",
+      "id": "aavin-6e9671",
+      "locationSet": {"include": ["in"]},
+      "tags": {
+        "brand": "Aavin",
+        "brand:wikidata": "Q4662814",
+        "name": "Aavin",
+        "shop": "dairy"
+      }
+    },
     {
       "displayName": "LB Bulgaricum",
       "id": "lbbulgaricum-2958ef",