Update README.md

Set the first Open in MATLAB Online badge to open to the README.

Author: eszmw

Diff for: README.md

@@ -4,7 +4,7 @@
 # <span style="color:rgb(213,80,0)">Programming: A Starter Project Using MATLAB with Python</span>
 
 
-[![View on File Exchange](https://www.mathworks.com/matlabcentral/images/matlab-file-exchange.svg)](https://www.mathworks.com/matlabcentral/fileexchange/116490-programming-a-starter-project-using-matlab-and-python) 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/Programming-A-Starter-Project-Using-MATLAB-and-Python&project=MATLABwithPython.prj)
+[![View on File Exchange](https://www.mathworks.com/matlabcentral/images/matlab-file-exchange.svg)](https://www.mathworks.com/matlabcentral/fileexchange/116490-programming-a-starter-project-using-matlab-and-python) 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/Programming-A-Starter-Project-Using-MATLAB-and-Python&project=MATLABwithPython.prj&file=README.mlx)
 
 ![MATLAB Versions Tested](https://img.shields.io/endpoint?url=https%3A%2F%2Fraw.githubusercontent.com%2FMathWorks-Teaching-Resources%2FProgramming-A-Starter-Project-Using-MATLAB-and-Python%2Frelease%2FImages%2FTestedWith.json)