Move core files into new folder

src/lib/HelperFunctions.ts

@@ -0,0 +1,15 @@
+/*
+ * Copyright (C) Contributors to the Suwayomi project
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+export const jsonSaveParse = <T = any>(...args: Parameters<typeof JSON.parse>): T | null => {
+    try {
+        return JSON.parse(...args);
+    } catch (e) {
+        return null;
+    }
+};