add visualisation for level 5 of model

Signed-off-by: Michael Leuschel <leuschel@uni-duesseldorf.de>

B2Program/LandingGear/GearsDoors/LandingGear_GearsDoorsR5.json

+{
+  "svg":"physical.svg",
+  "model":"Ref5_Switch",
+  "items":[
+    {
+		  "repeat": ["fr", "lt", "rt"],
+		  "id":"door_%0",
+		  "attr":"xlink:href",
+		  "value":"IF door = open THEN \"img/door_open.png\" ELSIF door = closed THEN \"img/door_closed.png\" ELSE \"img/door_door_moving.png\" END"
+	  },
+    {
+		  "repeat": ["fr", "lt", "rt"],
+		  "id":"gear_%0",
+		  "attr":"xlink:href",
+		  "value":"IF gear = extended THEN \"img/gear_extended.png\" ELSIF gear = retracted THEN \"img/gear_retracted.png\" ELSE \"img/gear_gear_moving.png\" END"
+	  }
+  ],
+  "events": []
+}