Add images for elevator dimensions (#282)

* Add images for elevator dimensions
* Exchange image for elevator height
* Remove obsolete image from definition.json

assets/question_catalog/definition.json

@@ -2439,7 +2439,7 @@
          "name": "@elevatorLengthName",
          "text": "@elevatorLengthText",
          "image": [
-            "assets/question_catalog/images/2093b.jpg"
+            "assets/question_catalog/images/elevator_length.png"
          ],
          "description": "@elevatorLengthDescription"
       },
@@ -2519,7 +2519,7 @@
          "name": "@elevatorWidthName",
          "text": "@elevatorWidthText",
          "image": [
-            "assets/question_catalog/images/lift.jpg"
+            "assets/question_catalog/images/elevator_width.png"
          ],
          "description": "@elevatorWidthDescription"
       },
@@ -2558,7 +2558,10 @@
    {
       "question": {
          "name": "@elevatorHeightName",
-         "text": "@elevatorHeightText"
+         "text": "@elevatorHeightText",
+         "image": [
+            "assets/question_catalog/images/elevator_height.png"
+         ]
       },
       "answer": {
          "type": "Number",
@@ -2629,6 +2632,9 @@
       "question": {
          "name": "@elevatorDoorWidthName",
          "text": "@elevatorDoorWidthText",
+         "image": [
+            "assets/question_catalog/images/elevator_door_width.png"
+         ],
          "description": "@elevatorDoorWidthDescription"
       },
       "answer": {
@@ -2686,6 +2692,9 @@
       "question":{
          "name": "@elevatorDoorHeightName",
          "text": "@elevatorDoorHeightText",
+         "image": [
+            "assets/question_catalog/images/elevator_door_height.png"
+         ],
          "description": "@elevatorDoorHeightDescription"
       },
       "answer": {