modified README_release

Author: linjing-lab

README_release.md

@@ -5,6 +5,7 @@
 |edition|download|trait|check|
 |--|--|--|--|
 |v1.1.0|`pip install sortingx==1.1.0`|Write in Python with Typing|√|
+|v1.1.1|`pip install sortingx==1.1.1`|Complete the comparison between float & float, string & float|
 |v2.0.0|`pip install sortingx==2.0.0`|Rely on Cython||
 |v3.0.0|`pip install sortingx==3.0.0`|Restuct with C++||
 |v4.0.0|`pip install sortingx==4.0.0`|Rust with PyO3||