Move core files into new folder

src/modules/core/components/tabs/TabPanel.tsx

@@ -0,0 +1,25 @@
+/*
+ * 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/.
+ */
+
+import React from 'react';
+
+interface IProps {
+    children: React.ReactNode;
+    index: any;
+    currentIndex: any;
+}
+
+export function TabPanel(props: IProps) {
+    const { children, index, currentIndex } = props;
+
+    return (
+        <div role="tabpanel" hidden={index !== currentIndex} id={`simple-tabpanel-${index}`}>
+            {currentIndex === index && children}
+        </div>
+    );
+}