It's a bummer that In Defense of JS proposal (to use the `module` key in package.json for modules and the `main` key for CommonJS) appears to be dead. Seems li

It's a bummer that In Defense of JS proposal (to use the `module` key in package.json for modules and the `main` key for CommonJS) appears to be dead. Seems like a much cleaner solution than requiring new file extensions everywhere. (The perfectionist in me cringes at MJS as an extension in an ecosystem where we have JSX and JSON, though I suppose the prefix paves the way for MJSX as an extension.)