Consider renaming branch `master` to `main` (W3C Manual of Style)

[csarven]

As recommended in https://www.w3.org/guide/manual-of-style/#inclusive consider renaming the master branch in this repository to main.

[riannella]

I assume that will not break anything ????

[csarven]

I presume that it will if only the branch is renamed. There is a guide available from https://docs.github.com/en/repositories/configuring-branches-and-merges-in-your-repository/managing-branches-in-your-repository/renaming-a-branch

may need to look into:

• [ ] GitHub Pages work properly (based off master and renaming may automagically work itself out)
• [ ] Updating specific references to URLs with master (but this may be automagically redirected)
• [ ] ...