feat(contact): add multilingual contact pages and dynamic configurations

- Created `src/pages/contact.astro` and `src/pages/zh/contact.astro` to support multilingual contact functionality.
- Introduced `contactIntents` and `contactMethods` dynamic configurations in `src/lib/data/contact.ts` for streamlined content management.
- Designed responsive and localized layouts with enhanced UX for both languages.

src/layouts/Layout.astro

@@ -12,7 +12,7 @@ interface Props {
 }
 
 const lang = Astro.currentLocale as Lang || defaultLang;
-const { title = "Rishikesh S - Portfolio", description = "My Portfolio" } =
+const { title = "Joey Zhao - Portfolio", description = "Engineering-focused personal website" } =
   Astro.props;
 const t = useTranslations(lang);
 ---