Minor changes

Author: Jeff1995

README.md

@@ -1,5 +1,6 @@
 # Causal discovery of gene regulatory programs from single-cell genomics
 
+[![pypi-badge](https://img.shields.io/pypi/v/cascade-reg)](https://pypi.org/project/cascade-reg)
 [![build-badge](https://github.com/gao-lab/CASCADE/actions/workflows/build.yml/badge.svg)](https://github.com/gao-lab/CASCADE/actions/workflows/build.yml)
 [![codecov-badge](https://codecov.io/gh/gao-lab/CASCADE/graph/badge.svg?token=49YVG6XHSG)](https://codecov.io/gh/gao-lab/CASCADE)
 [![license-badge](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)

docs/resources.rst

@@ -9,10 +9,7 @@ Single-cell data
 A list of example single-cell perturbation datasets:
 
 - `Norman-2019.h5ad <http://ftp.cbi.pku.edu.cn/pub/cascade-download/Norman-2019.h5ad>`_
-
-A list of example target datasets:
-
-- `Xu-2022.h5ad <http://ftp.cbi.pku.edu.cn/pub/cascade-download/Xu-2022.h5ad>`_
+- Check back for more
 
 Scaffold graphs
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