update installations

add pip install timm and sentencepiece which where missing in your installation. Maybe it might help others to avoid the buggs I faced with those missing dependencies

README.md

@@ -101,6 +101,8 @@ pip install imageio
 pip install decord
 pip install opencv-python
 pip install flash-attn --no-build-isolation
+pip instal timm
+pip install sentencepiece
 ```
 Then you could use our model:
 ```python