Box-type storage AGVs

[anhu]

@AlanHuang , @chaochaovc and @alex

Generic AMR (Multi Layers)

Generic AMR (Multi Layers) is available in 4.9 eCat now Notice Multi-layers AMR loads and unloads from the side. Please modify ResourceLocation so that the AMR docks from the side. Multi-layers AMR can carry multiple products at once. It is recommended to set the PickApproach and PlaceApproach of the TransportLink to an identity matrix. [AMR] [AMRGIF]