implemented task.total_prio:

- is dependent on the manually set priority of the task
- increases within 100 days before the due date of a task

frontend/src/routes/task/View.svelte

@@ -181,7 +181,7 @@
 <span class="error">{error}</span>
 {/if}
 {#if task}
-<div class={`task grid2 prio_${task.priority} p${Math.floor(task.priority/10)*10} p${task.priority % 10}`} >
+<div class={`task grid2 prio_${task.total_prio} p${Math.floor(task.total_prio/10)*10} p${task.total_prio % 10}`} >
     {#if project}
     <div>{t('project')}</div>
     <div class="project">