refactor: Migrate to monorepo

BREAKING CHANGE: Complete structure overhaul

services/docs/themes/hextra/i18n/zh-tw.yaml

@@ -0,0 +1,14 @@
+backToTop: "返回頂部"
+changeLanguage: "切換語言"
+changeTheme: "切換主題"
+copyright: "© 2025 Hextra Project."
+dark: "深色"
+editThisPage: "在 GitHub 上編輯此頁 →"
+lastUpdated: "最後更新於"
+light: "淺色"
+noResultsFound: "無結果"
+onThisPage: "此頁上"
+tags: "標籤"
+poweredBy: "由 Hextra 驅動"
+readMore: "更多 →"
+searchPlaceholder: "搜尋文檔..."