[Update] Combine in one window. Rename Main/Config Window to Main/Config Page accordingly.

For now, I put Config Page to below the main page temporary. Open Config Button does not work.

src-ui/app/config_page/sidebar_section/SidebarSection.jsx

@@ -0,0 +1,46 @@
+import styles from "./SidebarSection.module.scss";
+
+export const SidebarSection = () => {
+    return (
+        <div className={styles.container}>
+            <div className={styles.tabs_wrapper}>
+                <Tab tab_id="appearance" />
+                <Tab tab_id="translation" />
+                <Tab tab_id="transcription" />
+                <Tab tab_id="vr" />
+                <Tab tab_id="others" />
+                <Tab tab_id="advanced_settings" />
+            </div>
+            <div className={styles.separated_tabs_wrapper}>
+                <Tab tab_id="about_vrct" />
+            </div>
+        </div>
+    );
+};
+
+
+import clsx from "clsx";
+import { useTranslation } from "react-i18next";
+import { useSelectedConfigTabId } from "@store";
+
+const Tab = (props) => {
+    const { t } = useTranslation();
+    const { updateSelectedConfigTabId, currentSelectedConfigTabId } = useSelectedConfigTabId();
+    const onclickFunction = () => {
+        updateSelectedConfigTabId(props.tab_id);
+    };
+
+    const tab_container_class_names = clsx(styles["tab_container"], {
+        [styles["is_selected"]]: (currentSelectedConfigTabId === props.tab_id) ? true : false
+    });
+    const switch_indicator_class_names = clsx(styles["switch_indicator"], {
+        [styles["is_selected"]]: (currentSelectedConfigTabId === props.tab_id) ? true : false
+    });
+
+    return (
+        <div className={tab_container_class_names} onClick={onclickFunction}>
+            <p className={styles.tab_text}>{t(`config_page.side_menu_labels.${props.tab_id}`)}</p>
+            <div className={switch_indicator_class_names}></div>
+        </div>
+    );
+};