So you want to MineClone 2? Wow, thank you! :-)
But first, some things to note:
MineClone 2's development target is to make a free software clone of Minecraft, version 1.11 (later: 1.12), PC edition.
MineClone 2 is maintained by one person. Namely, Wuzzy. You can find me, Wuzzy, in the Minetest forums (forums.minetest.net), in IRC in the #minetest channel on irc.freenode.net. And finally, you can send e-mails to Wuzzy2@mail.ru.
There is no guarantee I will accept anything from anybody.
By sending me patches or asking me to include your changes in this game, you agree that they fall under the terms of the LGPLv2.1, which basically means they will become part of a free software.
I don't dictate your workflow, but in order to work with me in an efficient way, you can follow my suggestions.
For small and medium changes:
For small changes, sending me a patch is also good.
For big changes: Same as above, but consider notifying me first to avoid duplicate work and possible tears of rejection. ;-)
Again: There is no guarantee I will accept anything from anything. But I will gladly take in code from others when I feel it saves me work in the long run.
Depending on what you add, the chances for inclusion vary:
Report all bugs and missing Minecraft features here: