The mod will add new building types for each dictionary entry. The IndoorMap must be in the Maps folder, so when loading it from a mod file, prefix it with "Maps/" but omit "Maps" in the above dictionary entry).
Notes
This is one of those mods that has some potential for undesired results; it creates an invisible building at each crop location. Removing the mod doesn't remove the buildings.
To remove the mod properly, disable "ModEnabled" in the config, then save your game with the mod disabled. You can then delete the mod or just leave it disabled.
Note that this means that disabling the mod removes all objects placed in crop interiors.