Awesome additions

The below are not by the Traincraft team, but work great together with Traincraft or will work with Traincraft in the future.

• Railcraft: Adds more useful tracks and signals.
• Thermal Dynamics: Their pipes work as overhead wires
• Immersive Railroads: We aren’t on 1.12 yet, but they are. When we catch up we’ll support their API.
• Zora No Densha: We will support their API