[FEATURE-REQUEST] Option to hide copyright footer

[gunnar2k]

Describe the problem you're proposing to solve Don't want any microcopy referring to Kaffy

Describe the solution you'd like Let users opt out, or change text of footer

Describe alternatives you've considered A config option to disable copyright footer, or overwrite it

Additional context Would be happy to take a stab at a PR if its a wanted feature

[aesmail]

Hey @gunnar2k A PR for this would be welcome 👍🏻