commit 7693374cb4cbe8809f80d9f0bd542435a3cdb2af
Author: xsq <xsq423@sjtu.edu.cn>
Date:   Sun Jul 6 00:08:43 2025 +0800

    add readme

diff --git a/README.md b/README.md
new file mode 100644
index 0000000..a2d9c92
Binary files /dev/null and b/README.md differ