minor improvements:

- page titles
- favicon
- background logo

frontend/src/routes/task/Add.svelte

@@ -122,6 +122,9 @@
     onMount(load);
 </script>
 
+<svelte:head>
+    <title>Umbrella – {t('add_object',{object:t('task')})}</title>
+</svelte:head>
 
 <fieldset>
     <legend>{t('add_object',{object:t('task')})}</legend>

frontend/src/routes/task/Index.svelte

@@ -96,6 +96,10 @@
     onMount(load);
 </script>
 
+<svelte:head>
+    <title>Umbrella – {t('tasks')}</title>
+</svelte:head>
+
 <fieldset>
     <legend>{loading ? t('loading_object',{object:t('task_list')}) : t('task_list')}</legend>
     {#if error}

frontend/src/routes/task/View.svelte

@@ -170,6 +170,10 @@
     }
 </script>
 
+<svelte:head>
+    <title>Umbrella – {t('task')}: {task?.name}</title>
+</svelte:head>
+
 {#if error}
 <span class="error">{error}</span>
 {/if}