Update README.md

README.md

@@ -27,6 +27,7 @@ pip install -U openmim
 pip install triton==2.0.0
 mim install mmcv
 pip install -U fvcore
+cd rscd/models/backbones/lib_mamba/kernels/selective_scan && pip install .
 ```
 ### 📁Dataset Preparation
 We evaluate our method on three public datasets: **LEVIR-CD**, **WHU-CD**, and **CLCD**.