Jonathan Waltner

Add the ability to bypass prompts by passing command line arguments

3

Users would be able to bypass all prompts by passing the options via command line. A complete example looks like this: ``` > npx jest-codemods src/cli/**/*.test.ts --force --parser=tsx --transformer=mocha --mochaAssertion=chai-should...

This change switches the initial loading of TypeScript into memory from synchronous to asynchronous, and avoids using `fs.existsSync` in the Service Host if we already have the file in memory....