feat: add min and max attribute to number fields

[dkirchhof]

Description

If I set the min and / or max value for a number field, I would like to prevent the user from inserting invalid numbers before server side validation.

• [x] I have read and understand the CONTRIBUTING.md document in this repository.

Type of change

• [ ] Chore (non-breaking change which does not add functionality)
• [ ] Bug fix (non-breaking change which fixes an issue)
• [x] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [ ] Change to the templates directory (does not affect core functionality)
• [ ] Change to the examples directory (does not affect core functionality)
• [ ] This change requires a documentation update

Checklist:

• [ ] I have added tests that prove my fix is effective or that my feature works
• [ ] Existing test suite passes locally with my changes
• [ ] I have made corresponding changes to the documentation

[DanRibbens]

I am shocked we didn't already have this in place. Thanks for opening this PR!

[dkirchhof]

Did you plan a fix for payload 2 or 3?

[dkirchhof]

Just found out that it has been fixed.