Add brands to shops, remove NSI-type from public_bookcase.json

assets/layers/public_bookcase/public_bookcase.json

@@ -130,10 +130,6 @@
       "condition": "ref=",
       "freeform": {
         "key": "brand",
-        "type": "nsi",
-        "helperArgs": [
-          "amenity=public_bookcase"
-        ],
         "placeholder": {
           "en": "Name of the network"
         },

assets/layers/shops/shops.json

@@ -282,6 +282,26 @@
         "invalidValues": "shop=yes"
       }
     },
+    {
+      "id": "brand",
+      "question": {
+        "en": "What is the brand of this shop?"
+      },
+      "render": {
+        "en": "Part of <b>{brand}</b>"
+      },
+      "freeform": {
+        "key":"brand"
+      },
+      "mappings": [
+        {
+          "if": "not:brand=yes",
+          "then": {
+            "en": "This shop does not have a specific brand, it is not part of a bigger chain"
+          }
+        }
+      ]
+    },
     {
       "id": "second_hand",
       "question": {