v1.2.1 General maintenance 🌮

Package.json

• PR from @ankon Expose to users that the src/index.js should be used in ESM environments
• Minor/Patch @jayco update deps

README.md:

• PR from @sdepold Fix lookup example code
• PR from @hvolschenk fix import path in examples

🙏

Update dev deps

Updates eslint issue https://www.npmjs.com/advisories/1118

Update dev deps

• updates dev deps
  • ensure no security issues/vulnerability with npm
  • updates babel to latest
  • removes chai from tests
• add circleci tests