REPL supporting esm.

[aladdin-add]

Welcome to Node.js v20.5.1.
Type ".help" for more information.
> import React from 'https://esm.sh/react'
import React from 'https://esm.sh/react'
^^^^^^

Uncaught:
SyntaxError: Cannot use import statement inside the Node.js REPL, alternatively use dynamic import: const { default: React } = await import("https://esm.sh/react");

I know it's possible to use TLA, like var react = await import('https://esm.sh/react'). But it's also helpful to support esm in rep. 😄