feat(commonjs): js-upload-api, node-api targets dist/cjs

[lmeyerov]

Additons

Support both cjs + esm in js-upload-api, node-api using pattern from https://www.sensedeep.com/blog/posts/2021/how-to-create-single-source-npm-module.html:

• Stubs dist/package.json, dist/cjs/package.json as {"type": <"module" | "commonjs">}
• package.json:
  • no "type": ..
  • instead, "exports": { ".": { "import": ..., "require": ...}}
• tsconfig.json + tsconfig.cjs.json populate the above accordingly
• Only use cjs deps (for now) innode-api

Also adds:

• node-api-test-cjs to mirror node-api-test

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Initially published as 4.6.0-alpha.1: https://www.npmjs.com/package/@graphistry/node-api?activeTab=versions