- Simplify `README.md` by creating and moving some documentation to
`architecture.md`.
- Add more documentation for state handling between layers.
- Improve some documentation to use clearer language.
- refactor array equality check and add tests
- remove OperatingSystem.Unknown causing extra logic, return undefined instead
- refactor enum validation to share same logic
- refactor scripting language factories to share same logic
- refactor too many args in runCodeAsync
- refactor ScriptCode constructor to reduce complexity
- fix writing useless write to member object since another property write always override it
