Centre badges in Readme.md

Author: mcbarton

README.md

@@ -1,5 +1,6 @@
 # ![xeus-cpp](docs/source/xeus-logo.svg)
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+<div align="center">
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 [![Build Status](https://github.com/compiler-research/xeus-cpp/actions/workflows/main.yml/badge.svg)](https://github.com/compiler-research/xeus-cpp/actions/workflows/main.yml)
 [![Documentation Status](http://readthedocs.org/projects/xeus-cpp/badge/?version=latest)](https://xeus-cppreadthedocs.io/en/latest/?badge=latest)
 [![Binder](https://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/gh/compiler-research/xeus-cpp/main?urlpath=/lab/tree/notebooks/xeus-cpp.ipynb)
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 [![Anaconda-Server Badge](https://anaconda.org/conda-forge/xeus-cpp/badges/license.svg)](https://github.com/conda-forge/xeus-cpp-feedstock)
 [![Conda Platforms](https://img.shields.io/conda/pn/conda-forge/xeus-cpp.svg)](https://anaconda.org/conda-forge/xeus-cpp)
 [![Anaconda-Server Badge](https://anaconda.org/conda-forge/xeus-cpp/badges/downloads.svg)](https://github.com/conda-forge/xeus-cpp-feedstock)
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+</div>
 
 `xeus-cpp` is a Jupyter kernel for cpp based on the native implementation of the
 Jupyter protocol [xeus](https://github.com/jupyter-xeus/xeus).
 
 Try Jupyter Lite demo by clicking below
 
+<div align="center">
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 [![lite-badge](https://jupyterlite.rtfd.io/en/latest/_static/badge.svg)](https://compiler-research.github.io/xeus-cpp/lab/index.html)
+</div>
 
 ## Installation within a mamba environment (non wasm build instructions)