style: add CI, pypi, and conda-forge icon

Author: stevenhua0320

README.rst

@@ -8,16 +8,22 @@
         :target: https://diffpy.github.io/diffpy.srxplanar
         :height: 100px
 
-|PythonVersion| |PR|
+|PyPI| |Forge| |PythonVersion| |PR|
 
-|Black| |Tracking|
+|CI| |Codecov| |Black| |Tracking|
 
 .. |Black| image:: https://img.shields.io/badge/code_style-black-black
         :target: https://github.com/psf/black
 
+.. |CI| image:: https://github.com/diffpy/diffpy.cmi/actions/workflows/matrix-and-codecov-on-merge-to-main.yml/badge.svg
+        :target: https://github.com/diffpy/diffpy.cmi/actions/workflows/matrix-and-codecov-on-merge-to-main.yml
+
 .. |Codecov| image:: https://codecov.io/gh/diffpy/diffpy.srxplanar/branch/main/graph/badge.svg
         :target: https://codecov.io/gh/diffpy/diffpy.srxplanar
 
+.. |Forge| image:: https://img.shields.io/conda/vn/conda-forge/diffpy.cmi
+        :target: https://anaconda.org/conda-forge/diffpy.srxplanar
+
 .. |PR| image:: https://img.shields.io/badge/PR-Welcome-29ab47ff
         :target: https://github.com/diffpy/diffpy.srxplanar/pulls