Update README.md

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README.md

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 [![View on File Exchange](https://www.mathworks.com/matlabcentral/images/matlab-file-exchange.svg)](https://uk.mathworks.com/matlabcentral/fileexchange/171574-introduction-to-digital-signal-processing) or [![Open in MATLAB Online](https://www.mathworks.com/images/responsive/global/open-in-matlab-online.svg)](https://matlab.mathworks.com/open/github/v1?repo=MathWorks-Teaching-Resources/Introduction-To-Digital-Signal-Processing&project=DSP.prj&file=README.mlx)
 
+![MATLAB Versions Tested](https://img.shields.io/endpoint?url=https%3A%2F%2Fraw.githubusercontent.com%2FMathWorks-Teaching-Resources%2FDSP-Signals-and-Filter-Design%2Frelease%2FImages%2FTestedWith.json)
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 **Curriculum Module**
 
 _Created with R2024a. Compatible with R2024a and later releases._