added descriptions to TODOs

public/js/connectToAPI.js

 var coordinatesBB = []
 //var url = "https://simstadt-api.iaf-ex.hft-stuttgart.de:8080/workflow/execute" //old link
-var url = "http://vm24.fkc.hft-stuttgart.de:8080/workflow/execute" 
+var url = "http://vm24.fkc.hft-stuttgart.de:8080/workflow/execute" // URL to API
 
 
 var buildingFunctionSort
@@ -55,8 +55,8 @@ async function fetchDataJSON() {
 }
 document.getElementById("loader").style.visibility = "hidden"
 
-/*TODO: -use local test data
-    -no connection handeling 
+/*TODO#1:   -get current data from the api and create local test data (apiData foler)
+            -add connection handeling  (error messages when there isnt a connection and then using the local test data)
 */
 function processData() {
     console.log(coordinatesBB)
@@ -289,15 +289,16 @@ window.onclick = function (event) {
 }
 
 //-------------------------------------------------------------------------------
-var tileData = null
-var tileset = null
+var tileData = null;
+var tileset = null;
 var tilesetURL = 'http://vm24.fkc.hft-stuttgart.de:8081/CampusLOD2/CityModel/tileset.json';
 var localTestTileset = '/3dclient4simstadtapi/public/test/tileset/gmlTileset_v1.json';
 
 
 //fetching the tileset and handling the connection
-// TODO: cancel timemout when there isnt a connection
+// TODO#2: add a timemout when there isnt a connection (1sec) -> so the user doesnt have to wait 10sec for the failed fetch
 async function fetchTileset(){   
+
     fetch(tilesetURL).then((response)=>{        
         if(response.status >= 200 && response.status<=299){ //successful connection
             //const tilesetJSON =  response.json();   
@@ -313,32 +314,35 @@ async function fetchTileset(){
         swal("Could not connect to Server",errorString , "error"); 
 
         console.log("Using local test data");
-        loadAndZoomTime(localTestTileset); //TODO: fix loading local data
-    });
-
-    swal({text:"Connecting to Server ... Please wait !",icon:"info" ,buttons: false}); //displays waiting alert
+        loadAndZoomTime(localTestTileset); //TODO#3: fix the link so the local tileset can be loaded
+    })    
+    //swal({text:"Connecting to Server ... Please wait !",icon:"info" ,buttons: false}); //displays waiting alert
 }
 
 
 //loads tileset after submit button is clicked
+
 /*
-    FIXME:  -load the models but the are in the too high in the "air"
+    NOTE #1:    -load the models but the are in the too high in the "air"
                 -building view doesn´t work because all buildings are grouped together
                 -surfaces are also broken
 
+            -->this fixme is the problem of the backendteam !
+
     ? maybe add old menu back and the option to also load the new ones 
     
 */
+
 function loadTileset() {    
-    viewer.scene.primitives.remove(tileset)
-    tileContent = []
+    viewer.scene.primitives.remove(tileset);
+    tileContent = [];
     modal.style.display = "block";
     
     fetchTileset();
     
     //var userurl = document.getElementById("3Durl").value;   //returns the chosen area from the dropdown    
 }
-
+//loads the tileset from the url into the cesium viewer and zooms to it
 function loadAndZoomTime(url){
     tileset=viewer.scene.primitives.add(new Cesium.Cesium3DTileset({
         url: url