Spinner eingebaut

Fehlermeldungen pro TAB getrennt

package-lock.json

@@ -21,7 +21,8 @@
         "luxon": "^3.3.0",
         "morgan": "~1.9.1",
         "pug": "^3.0.2",
-        "sass": "^1.58.3"
+        "sass": "^1.58.3",
+        "spin.js": "^4.1.2"
       },
       "bin": {
         "www": "bin/www.js"
@@ -1726,6 +1727,12 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/spin.js": {
+      "version": "4.1.2",
+      "resolved": "https://registry.npmjs.org/spin.js/-/spin.js-4.1.2.tgz",
+      "integrity": "sha512-ua/yEpxEwyEUWs57tMQYdik/KJ12sQRyMXjSlK/Ai927aEUDVY3FXUi4ml4VvlLCTQNIjC6tHyjSLBrJzFAqMA==",
+      "license": "MIT"
+    },
     "node_modules/sprintf-js": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/sprintf-js/-/sprintf-js-1.0.3.tgz",