implemented function to return estimated times of company.

Therefore task and project module had to be created and partially implemented

frontend/src/routes/document/View.svelte

@@ -63,6 +63,12 @@
         }
     }
 
+    function addPosition(selected){
+        let newPos = {};
+        if (selected.item) newPos['item']=selected.item.id;
+        console.log(JSON.stringify({newPos:newPos}));
+    }
+
     onMount(loadDoc);
 </script>
 
@@ -186,5 +192,5 @@
 {/if}
 
 {#if position_select}
-<PositionSelector close={() => position_select=false} {doc} />
+<PositionSelector close={() => position_select=false} {doc} onSelect={addPosition} />
 {/if}