New features

This PR contains:

• Typescript support, thanks to Mauricio Giacomello. Just add this to your tsconfig.json:

{
  "compilerOptions": {
    "types": [
      "wdio-image-comparison-service"
    ]
  }
}

• Official support for Chrome DevTools with this module

Contains:

• Merge pull request #20 from mvgiacomello/fix/issue-18-typescript-support 37a3b42
• Merge pull request #21 from wswebcreation/feat/support-puppeteer 1473b65
• feat: add chrome devtools support c576d52
• Adding typescript types to the library. Readme changes included. fd419bf

v1.10.0...v1.11.0