gastro: convert to default json structure

gastro.json

@@ -1,4 +1,5 @@
 {
+    "type": "overpass",
     "name": {
         "ast": "Gastronomía",
         "cs": "Stravování",
@@ -15,9 +16,9 @@
         "ru": "Общепит",
         "uk": "Гастрономія"
     },
-    "type": "overpass",
-    "query": "(node[amenity~'^(bar|biergarten|cafe|fast_food|ice_cream|pub|restaurant)$'];way[amenity~'^(bar|biergarten|cafe|fast_food|ice_cream|pub|restaurant)$'];relation[amenity~'^(bar|biergarten|cafe|fast_food|ice_cream|pub|restaurant)$'];);",
-    "minZoom": 16,
+    "query": {
+        "16": "(node[amenity~'^(bar|biergarten|cafe|fast_food|ice_cream|pub|restaurant)$'];way[amenity~'^(bar|biergarten|cafe|fast_food|ice_cream|pub|restaurant)$'];relation[amenity~'^(bar|biergarten|cafe|fast_food|ice_cream|pub|restaurant)$'];);"
+    },
     "feature": {
         "markerSign": "{% if tags.amenity=='bar' %}🍸{% elseif tags.amenity=='biergarten'%}🍻{% elseif tags.amenity=='cafe' %}☕{% elseif tags.amenity=='fast_food' %}🍔{% elseif tags.amenity=='ice_cream' %}🍨{% elseif tags.amenity=='pub' %}🍺{% else %}🍴{% endif %}",
         "body": "{{ tagTrans('amenity', tags.amenity) }}<br/>{{ keyTrans('cuisine') }}: {{ tagTransList('cuisine', tags.cuisine)|default(trans('unknown')) }}",