Formatting, add possibility to link wikipedia in the 'wikipedia'-question

assets/layers/etymology/etymology.json

@@ -93,11 +93,13 @@
         "key": "name:etymology"
       },
       "mappings": [
-                {"if":"name:etymology=unknown",
+        {
+          "if": "name:etymology=unknown",
           "then": {
             "en": "The origin of this name is unknown in all literature",
             "nl": "De oorsprong van deze naam is onbekend in de literatuur"
-                }}
+          }
+        }
       ],
       "condition": {
         "or": [

assets/tagRenderings/questions.json

@@ -4,7 +4,24 @@
   },
   "wikipedia": {
     "render": "{wikipedia():max-height:25rem}",
-    "condition": "wikidata~*"
+    "question": {
+      "en": "What is the corresponding Wikidata entity?",
+      "nl": "Welk Wikidata-item komt overeen met dit object?"
+    },
+    "freeform": {
+      "key": "wikidata",
+      "type": "wikidata"
+    },
+    "mappings": [
+      {
+        "if": "wikidata=",
+        "then": {
+          "en": "No Wikipedia page has been linked yet",
+          "nl": "Er werd nog geen Wikipedia-pagina gekoppeld"
+        },
+        "hideInAnswer": true
+      }
+    ]
   },
   "reviews": {
     "render": "{reviews()}"