You have "CZ,Ceska" as an alternative spelling, but in fact it is "Česká republika" or "Česko". Especially since you have "AT,Österreich" for Austria. Shall I

You have "CZ,Ceska" as an alternative spelling, but in fact it is "Česká republika" or "Česko". Especially since you have "AT,Österreich" for Austria. Shall I submit it to mledoze/countries instead? Edit: solved - submitted a pull request