Update contributing style guidelines for MATLAB Simulink

[elsevers]

Context

Related Issues / PRs: (To do: list all related issues)

• https://github.com/Severson-Group/KnowledgeBase/pull/345

We are in the process of revising our MATLAB/Simulink style guide and will need to update the contributing article here accordingly. See this:

• https://github.com/Severson-Group/KnowledgeBase/pull/345#pullrequestreview-4252026762

Approach

Close this issue via a PR that updates the CONTRIBUTING.md file