[WIP] Propellant
Propellant consumed by engine.
Instance Properties:
name: string - Name of the propellant (like `LiquidFuel’).native: Propellant - [Unsafe] KSP API. First in the list if aggregate.resourceDef: PartResourceDefinition - [Unsafe] KSP API. First in the list if aggregate.flowMode: ResourceFlowMode - Flow mode of the propellant. First in the list if aggregate, which works for most propellants, but may be random when you combine e.g. Karbonite SRB’s with normal engines.solid: bool - [WIP] No flow propellant - usually solid fuel, bound to SRB.liquid: bool - [WIP] Flowing propellant - liquid fuel and oxidizer, does not include Monopropellant, Xenon Gas or electricity.