Allow lower minecraft version 1.0-1.15

[candrawardana]

just like viabackwards or protocol support do

this custom nukkitx does that ===> https://github.com/PetteriM1/NukkitPetteriM1Edition (allow lower connect to upper version)

use them to makes block translation for lower version

[bundabrg]

Thanks for the link. I'll have a look and see if I can make use of it.