Update "現代 C++ 101" URL and info (EbookFoundation#9528)

Author: lumynou5

books/free-programming-books-zh.md

@@ -327,7 +327,7 @@
 * [100个gcc小技巧](https://github.com/hellogcc/100-gcc-tips/blob/master/src/index.md)
 * [100个gdb小技巧](https://github.com/hellogcc/100-gdb-tips/blob/master/src/index.md)
 * [简单易懂的C魔法](https://web.archive.org/web/20210413213859/http://www.nowamagic.net/librarys/books/contents/c) *(:card_file_box: archived)*
-* [現代 C++ 101](https://hackmd.io/@Luminous-Coder/CppTutorial-zh-tw) - Luminous-Coder (:construction: *in process*)
+* [現代 C++ 101](https://hackmd.io/@lumynou5/CppTutorial-zh-tw) - Lumynous (:construction: *in process*)
 * [像计算机科学家一样思考（C++版)](http://www.ituring.com.cn/book/1203) (《How To Think Like a Computer Scientist: C++ Version》中文版)
 * [C 语言编程透视](https://tinylab.gitbooks.io/cbook/content/)
 * [C/C++ Primer](https://github.com/andycai/cprimer) - andycai