frontend: sort by title

frontend/zetikettes.js

@@ -82,7 +82,7 @@ $(document).ready(async () => {
             url: backend_api + 'list',
             timeout: 1000,
         });
-        loadAll(resp.tikettes);
+        loadAll(resp.tikettes.sort((a, b) => (a.title < b.title) ? -1 : 1));
     } catch(e) {
         const appbody = $("#appbody");
         appbody.append(`<li>Could not reach backend server`);