Road to cactus from another asset pack

Made for #KenneyJam2021, all assets by Kenney.nl Controls: left mouse click on roads. There is a tutorial, but here are some tips: Press on road and you can remove the rock from it (for a price). When the rock is removed, you can rotate the road. Connect buildings to castle using roads to activate them. Rocks can only be removed if there is a road leading up to them.