[WIP] Type IX for sh5

[mkiii]

Originally Posted by Muckenberg

Hello
So, that's wonderful and I hold my thumbs to make your work come to a successful conclusion. Since I do not know English very well, I did not understand if the submarine would be just like AI or even a new playable? I apologize for my English.

the goal is for playable IX types in sh5, if everything goes to plan with this IXB, the C, C40, AND D2 versions should be easier to do.