[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/setting_section/SettingSection.jsx

@@ -0,0 +1,12 @@
+import styles from "./SettingSection.module.scss";
+import { SettingBox } from "./setting_box/SettingBox";
+
+export const SettingSection = () => {
+    return (
+        <div className={styles.scroll_container}>
+            <div className={styles.container}>
+                <SettingBox />
+            </div>
+        </div>
+    );
+};