feat(function): add MINIFS and MAXIFS

[rkretzschmar]

Context

• adds two not implemented functions MINIFS and MAXIFS to the built-in functions
• adds only English and German translations, all other language files contain the English translation to pass the i18n.spec.ts
• describes the two new functions in the built-in-functions.md

How has this been tested?

• added two new test suites function-minifs.spec.ts and function-maxifs.spec.ts

Types of changes

• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• New feature or improvement (non-breaking change which adds functionality)
• Bug fix (non-breaking change which fixes an issue)
• Additional language file or change to the existing one (translations)
• Change to the documentation

Related issues:

none

Checklist:

• My code follows the code style of this project.
• I described the modification in the CHANGELOG.md file.
• My change requires a change to the documentation.
• My change requires a migration guide.

[sequba]

Hi @rkretzschmar! Thank you very much for your contribution and for signing the Contributor License Agreement. We'll review the pull request shortly.

[sequba]

@rkretzschmar We will try to fit this into the upcoming release.

[rkretzschmar]

@rkretzschmar We will try to fit this into the upcoming release.

Great, let me know if I can help. I am happy with refactoring the whole thing if necessary

[sequba]

Great, let me know if I can help. I am happy with refactoring the whole thing if necessary

@rkretzschmar Thanks a lot. I reviewed the code. You did a great job. I love the tests. I'll take care of all the details myself in #1050

[AMBudnik]

Hi @rkretzschmar I'm just here to share the great news, @sequba just released a new version of HyperFormula with your feature merged