* feat: Improve DevEx for simple Executors
* Add abstract types for executors that will only handle one type of message
* Add FunctionExecutor and configuration capability on delegates
* Add support for late-instantiated Executors
* refactor: Remove open-typed extension method
* refactor: Switch to TaskFactory pattern for async--from-sync
* docs: Update XML docs for publics and fix formatting
* refactor: Better naming for ExecutorIsh configuration methods
* docs: Fix typo in ExecutorIshConfigurationExtensions.ConfigureFactory
Jacob Alber