working on the task index page

next:
* creating links to open/close/abort tasks
* link to task/X/edit should show settings

frontend/src/App.svelte

@@ -70,6 +70,7 @@
         <Route path="/tags/use/:tag"               component={TagUses} />
         <Route path="/task"                        component={TaskList} />
         <Route path="/task/:parent_task_id/add_subtask" component={AddTask} />
+        <Route path="/task/:id/edit"               component={ViewTask} />
         <Route path="/task/:id/view"               component={ViewTask} />
         <Route path="/user"                        component={User} />
         <Route path="/user/create"                 component={EditUser} />