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/time/Index.svelte

@@ -30,28 +30,29 @@
 <span class="error">{error}</span>
 {/if}
 {#if times}
-<table>
+<table class="timetracks">
     <thead>
 
     </thead>
     <tbody>
         {#each Object.entries(times) as [tid,time]}
         <tr>
-            <td>
-                {time.start_time}…{time.end_time}
+            <td class="start_end">
+                {time.start_time}{#if time.end_time}…{time.end_time}{/if}
             </td>
-            <td>
-                {time.duration}&nbsp;h
+            <td class="duration">{#if time.duration}
+                {time.duration.toFixed(3)}&nbsp;h
+                {/if}
             </td>
-            <td>
+            <td class="subject">
                 {time.subject}
             </td>
-            <td>
+            <td class="tasks">
                 {#each Object.entries(time.tasks) as [tid,task]}
                 <a href="#" onclick={e => openTask(tid)}>{task}</a>
                 {/each}
             </td>
-            <td>
+            <td class="state">
                 {t("state_"+time.state.name.toLowerCase())}
             </td>
         </tr>