Move package "de.grimsi.gameyfin" to "org.gameyfin"

app/src/main/frontend/util/custom-validators.ts

@@ -0,0 +1,10 @@
+import * as Yup from "yup";
+import {isValidCron} from "cron-validator";
+
+// Custom validator for cron expressions
+Yup.addMethod(Yup.string, 'cron', function (message) {
+    return this.test('cron', message, function (value) {
+        const {path, createError} = this;
+        return isValidCron(value as string) || createError({path, message: message || 'Invalid cron expression'});
+    });
+});