refactor(data): move data exports to index file

Consolidate data exports from data.ts to index.ts for better organization and maintainability. Remove the now redundant data.ts file.

src/pages/index.astro

@@ -8,7 +8,7 @@ import Container from "@/components/ui/Container";
 import { useTranslations } from "@/i18n/utils";
 import type { Lang } from "@/types/i18n";
 import { defaultLang } from "@/i18n/ui";
-import { personalInfo, services } from "@/lib/data";
+import { personalInfo, services } from "@/lib/data/index";
 
 // 使用Astro.currentLocale获取当前语言环境
 const lang = Astro.currentLocale as Lang || defaultLang;