@civ-clone/core-rule
This component contains the framework for `Rule`s. These are comprised of `Criterion`s and `Effect`s with optional `Priority`s.
@civ-clone/core-yield
A `Yield` is a key element in Civilization and can refer to anything from the `Attack` value of a `Unit` to, the `Food` returned for a `Tile` or the `Unhappiness` produced by a `City`.
@civ-clone/core-science
The basics of having the concept of research. Includes `Advance`s and associated `Registry`s and the `PlayerResearch` class to manage a `Player`s research projects and progress towards it.
@civ-clone/core-registry
This component is used to create other registries that contain object data. This is a stub that contains all the shared methods that other classes will extend replacing the constructor with a call to the parent passing in the supported types that can be s