Update Fantomas and format using dotnet tool.

[nojaf]

Proposed Changes

Hi @TheAngryByrd, sorry for now opening an issue first. I'd like to bump the Fantomas version here, the current version 3.2 is quite old. And nowadays it is recommended to format outside of the FAKE process using the local .NET tool.

Types of changes

What types of changes does your code introduce to MiniScaffold? Put an x in the boxes that apply

• [x] Bugfix (non-breaking change which fixes an issue) => I think, not really sure.
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)

Checklist

Put an x in the boxes that apply. You can also fill these out after creating the PR. If you're unsure about any of them, don't hesitate to ask. We're here to help! This is simply a reminder of what we are going to look for before merging your code.

• [x] Build and tests pass locally
• [ ] I have added tests that prove my fix is effective or that my feature works (if appropriate)
• [ ] I have added necessary documentation (if appropriate)

Further comments

This PR isn't totally finished as I'm not sure if you are onboard with all the changes. I'll ask some specific questions in the code. Let me know what you think.

[TheAngryByrd]

Thank you! On mobile right now but I get a review in soon

[nojaf]

Hey @TheAngryByrd, thanks for the positive feedback! I've updated the Library as well and applied all feedback. Should be good to go, let me know if anything still needs a tweak.