shop: write 'tag:shop' for shop=yes

shop.json

@@ -31,7 +31,13 @@
             "  {% set current = const.shops[shop0] %}",
             "{% endif %}"
         ],
-        "description": "{{ tagTransList('shop', tags.shop) }}",
+        "description": [
+            "{% if tags.shop == 'yes' %}",
+            "  {{ keyTrans('shop') }}",
+            "{% else %}",
+            "  {{ tagTransList('shop', tags.shop) }}",
+            "{% endif %}"
+        ],
         "markerSign": [
             "{% set c = current.sign %}",
             "{% if c|slice(0, 4) == 'fas:' %}",