Update README with new badges and content

Author: chenxinye

README.md

@@ -12,6 +12,7 @@
 [![Workflow for Codecov (with Cython coverage)](https://github.com/nla-group/classix/actions/workflows/codecov.yml/badge.svg)](https://github.com/nla-group/classix/actions/workflows/codecov.yml)
 [![License: MIT](https://anaconda.org/conda-forge/classixclustering/badges/license.svg)](https://github.com/nla-group/classix/blob/master/LICENSE)
 
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 [![Anaconda-Server Badge](https://anaconda.org/conda-forge/classixclustering/badges/version.svg)](https://anaconda.org/conda-forge/classixclustering)
 [![azure](https://dev.azure.com/conda-forge/feedstock-builds/_apis/build/status/classixclustering-feedstock?branchName=main)](https://dev.azure.com/conda-forge/feedstock-builds/_build/latest?definitionId=15797&branchName=main)
 [![Conda Platforms](https://img.shields.io/conda/pn/conda-forge/classixclustering.svg)](https://anaconda.org/conda-forge/classixclustering)
@@ -291,3 +292,4 @@ This project is licensed under the terms of the [MIT license](https://github.com
 
 
 
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