[FEATURE] Mint plant + derivative drinks

[ZeWaka]

There are - as usual when touching some of the files with special characters - a bunch of changes showing in the diff that haven't actually changed, but other than that, looks solid. Suppose I'd better implement it now!

also as I said to Noah, this encoding issue is avoided by switching your IDE or whatever you use to ISO/IEC 8859-1 (Latin-1)