Refactor 13

[nibble-4bits]

• Adds a types field to exports field in package.json to support TypeScript's Node16 and Bundler module resolutions.
• Export the StateMachineDefinition, StateMachineOptions, and RunOptions types from the API for TypeScript users.
• Allow passing non-async functions to task state overrides.
• Adds missing engines field to package-lock.json.
• Upgrades dependencies to latest version.
• Removes some optional and undefined typings that made readability of types and code harder.
• Remove some leftover console logs that sneaked from Pass Context Object to JsonPath evaluation in Choice rules #64.