Implement Entity Renderers

[Vilsol]

Implement entity-specific renderers.

• [ ] Arithmetic Combinator
• [ ] Assembling Machine
• [ ] Boiler
• [x] Burner Mining Drill
• [ ] Chemical Plant
• [ ] Constant Combinator
• [x] Curved Rail
• [ ] Decider Combinator
• [x] Electric Mining Drill
• [ ] Flamethrower Turret
• [ ] Gate
• [ ] Heat Exchanger
• [x] Heat Pipe
• [ ] Inserter
• [x] Offshore Pump
• [ ] Oil Refinery
• [x] Pipe to Ground
• [x] Pipe
• [ ] Pump
• [ ] Rail Signal
• [ ] Splitter
• [ ] Steam Engine
• [ ] Steam Turbine
• [x] Stone Wall
• [x] Storage Tank
• [x] Straight Rail
• [x] Transport Belt
• [ ] Underground Belt
• [x] Lab
• [ ] Nuclear Reactor
• [ ] Rocket Silo
• [ ] Centrifuge
• [ ] Roboport
• [ ] Beacon
• [ ] Electric Furnace
• [ ] Gun Turret
• [ ] Laser Turret