Add speech output to elevator (#1120)

assets/layers/elevator/elevator.json

@@ -162,6 +162,27 @@
           }
         }
       }
+    },
+    {
+      "id": "speech_output",
+      "render": {
+        "special": {
+          "type": "language_chooser",
+          "key": "speech_output",
+          "question": {
+            "en": "In which languages does this elevator have speech output?",
+            "nl": "In welke talen heeft deze lift gesproken tekst?"
+          },
+          "render_list_item": {
+            "en": "This elevator has speech output in {language():font-bold}",
+            "nl": "Deze lift heeft gesproken tekst in het {language():font-bold}"
+          },
+          "render_single_language": {
+            "en": "This elevator has speech output in {language():font-bold}",
+            "nl": "Deze lift heeft gesproken tekst in het {language():font-bold}"
+          }
+        }
+      }
     }
   ],
   "mapRendering": [