For a truly "set it and forget it" feature, players often build :
: There must be more beds than there are villagers. If you have two villagers and want a baby, you need at least three beds with two blocks of air space above them.
While there isn't a specific official file named "Breeding Village.rar," the concept usually refers to a custom-built structure or a downloaded "world" or "schematic" file that automates the process of breeding NPCs (villagers).
If you are looking to set this up in , here is how you can create the feature manually or find the right files. 1. How to Build a Breeding Village