added ogre install instructions again. hopefully they'll not be deleted this time.
added ogre install instructions again. hopefully they'll not be deleted this time.

andrewrk/mineflayer,crazy2be/mineflayer,PrismarineJS/mineflayer,crazy2be/mineflayer,crazy2be/mineflayer,crazy2be/mineflayer,gnomesley/mineflayer