implemented time tracking by clicking symbol at task.

next: stop running time, display running time in header

Signed-off-by: Stephan Richter <s.richter@srsoftware.de>

frontend/src/routes/task/ListTask.svelte

@@ -26,8 +26,15 @@
         router.navigate(`/task/${task.id}/add_subtask`);
     }
 
-    function addTime(){
-        router.navigate(`/time/add_task/${task.id}`);
+    async function addTime(){
+        const url  = api(`time/track_task/${task.id}`);
+        const resp = await fetch(url,{credentials:'include'}); // create new time or return time with assigned tasks
+        if (resp.ok) {
+            const track = await resp.json();
+            console.log(track);
+        } else {
+            error = await resp.text();
+        }
     }
 
     async function deleteTask(){