introduction and about cache

frontend/src/pages/About.tsx

@@ -5,6 +5,8 @@ import MarkdownRender from '../components/MarkdownRender';
 import {observer} from 'mobx-react-lite';
 import commonStore from '../stores/commonStore';
 
+export type AboutContent = { [lang: string]: string }
+
 export const About: FC = observer(() => {
   const {t} = useTranslation();
   const lang: string = commonStore.settings.language;

frontend/src/pages/Home.tsx

@@ -17,6 +17,8 @@ import {ConfigSelector} from '../components/ConfigSelector';
 import MarkdownRender from '../components/MarkdownRender';
 import commonStore from '../stores/commonStore';
 
+export type IntroductionContent = { [lang: string]: string }
+
 type NavCard = {
   label: string;
   desc: string;

frontend/src/pages/Settings.tsx

@@ -14,7 +14,7 @@ export const Languages = {
 
 export type Language = keyof typeof Languages;
 
-export type Settings = {
+export type SettingsType = {
   language: Language,
   darkMode: boolean
   autoUpdatesCheck: boolean