Added group detail routing

ref #48

src/components/groups/GroupDetail.svelte

@@ -109,7 +109,7 @@
                 delete_triggered = true;
               }}
               type="button"
-              class="w-full justify-center rounded-md border border-transparent shadow-sm px-4 py-2 bg-red-600 text-base font-medium text-white hover:bg-red-700 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-red-500 sm:ml-3 sm:w-auto sm:text-sm">{$_('delete-group')}</button>
+              class="w-full justify-center rounded-md border border-transparent shadow-sm px-4 py-2 bg-red-600 text-base font-medium text-white hover:bg-red-700 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-red-500 sm:ml-3 sm:w-auto sm:text-sm">Delete Group</button>
           {/if}
         {/if}
         {#if !delete_triggered}