implemented deletion of tasks

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

frontend/src/translations.svelte.js

@@ -7,7 +7,7 @@ export async function loadTranslation(lang){
     translations.values = await fetch(url).then(resp => resp.json());
 }
 
-export function t(key,...args){
+export function t(key,args = {}){
     if (key === undefined) return "";
     if (key instanceof Response) key = 'status.'+key.status;
     let set = translations.values;
@@ -19,6 +19,6 @@ export function t(key,...args){
         }
         set = set[token];
     }
-    for (var i in args) set = set.replace(`{${i}}`,args[i]);
+    for (var key of Object.keys(args)) set = set.replace(`{${key}}`,args[key]);
     return set;
 }