New map: Grand Canyon

# About

Military base in a Martian canyon, repurposed as a dynamite factory.

# Features

- Verticality
- Walkways with partial cover
- Fans for some traversal
- Conveyor belts that push you (perhaps not AIs 💀)
- Cogs/sawblades at either end of the canyon as stage hazards

# Progress

- [x] Terrain (by @CraZyB1336)
- [x] Basic layout
- [ ] Factory parts
- [x] Conveyor belt
- [ ] Robot arm
- [ ] Dynamite parts
- [ ] Resource gathering assets?
- [ ] Combiner boxes for when we wanna skip animating everything
- [x] Dynamite + explosive barrel stash
- [ ] Detonator trigger?
- [x] Cogs or something for the sides of the canyon (stage hazards)
- [ ] Factory design
- [ ] materials
- [ ] from cog wall
- [ ] from piston machine thing
- [ ] tape roll
- [ ] thing digging into wall
- [ ] assembly
- [ ] fill cylinders (box)
- [ ] add string (arm?)
- [ ] tape together (arm)
- [ ] tape onto explo barrel (arm)
- [x] Military parts
- [x] Big artillery cannon on the side of a cliff?
- [x] Small control room building?

# Design stuff

C = combination spot
R = resource spot