Fixes:

• add peerDependency support for react 17 - 🙇 @mrkan-alelgn
• Create LICENSE.md
• Update Circle CI config to v2.1
• Dependency version bumps
  • Bump eslint from 4.17.0 to 4.18.2
  • Bump ini from 1.3.5 to 1.3.8
  • Bump elliptic from 6.5.2 to 6.5.4
  • Bump y18n from 3.2.1 to 3.2.2
  • Bump handlebars from 4.7.2 to 4.7.7
  • Bump hosted-git-info from 2.8.5 to 2.8.9
  • Bump path-parse from 1.0.6 to 1.0.7
  • Bump cached-path-relative from 1.0.2 to 1.1.0
  • Bump shell-quote from 1.7.2 to 1.7.3
  • Bump tar from 4.4.13 to 4.4.19
  • Bump json-schema from 0.2.3 to 0.4.0
  • Bump nodemailer and karma
  • Bump bl from 3.0.0 to 3.0.1
  • Bump minimist, minimist, mkdirp and mocha