Add "zh_fiftbase_dark_繁中註解導讀版_v1.pdf".

[wyc-dev]

This is the traditional Chinese annotated version of the Fift language introduction file, which is designed to help developers better understand and use the Fift language to create and manage TON blockchain smart contracts. The document is translated and annotated based on the original English document and provides detailed instructions and examples.

這是Fift語言的繁體中文註解版導讀文件，旨在幫助開發者更好地理解和使用Fift語言來創建和管理TON區塊鏈智能合約。文件基於原版英文文檔進行翻譯註解，並提供了詳細的說明和示例。