- added gravestone and wooden cross

- adjusted coffin placement to match the Rust update

- added favorites filter to place menu, these are set from the star toggle now included in the item info

- added buttons to open or close all doors in a selection, these are in the code lock panel

- adjusted vending machine colliders to be more accurate, needs more space after placement

- ramps no longer red block under floor frames (order of placement matters)

- tweaked roof tier colors, sheet metal is now rusty