* First clumsy implementation of guidebook protodata
* Support for Properties, format strings
* Better null
* Rename file
* Documentation and some cleanup
* Handle errors better
* Added note about client-side components
* A couple of examples
* DataFields
* Use attributes like a sane person
* Outdated doc
* string.Empty
* No IComponent?
* No casting
* Use EntityManager.ComponentFactory
* Use FrozenDictionary
* Cache tagged component fields
* Iterate components and check if they're tagged
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