Vrtcal Bid Adapter: add adomain and make 5.0 compliant

[vrtcal-dev]

Type of change

• Bugfix
• Feature
• New bidder adapter
• Code style update (formatting, local variables)
• Refactoring (no functional changes, no api changes)
• Build related changes
• CI related changes
• Does this change affect user-facing APIs or examples documented on http://prebid.org?
• Other

Description of change

adomain support added to last master Vrtcal .js adapter

• test parameters for validating bids

{
  bidder: '<bidder name>',
  params: {
    // ...
  }
}

Be sure to test the integration with your adserver using the Hello World sample page.

• contact email of the adapter’s maintainer
• official adapter submission

For any changes that affect user-facing APIs or example code documented on http://prebid.org, please provide:

• A link to a PR on the docs repo at https://github.com/prebid/prebid.github.io/

Other information

[ChrisHuie]

@vrtcal-dev can you please also add back the unit test file for this pr 🙏

[vrtcal-dev]

@vrtcal-dev can you please also add back the unit test file for this pr

Thanks Chris. The unit test file has be reinstated.

[ChrisHuie]

@vrtcal-dev looks like there are a few lint errors if you could fix those too please

[ChrisHuie]

Fixed the linting errors to make sure this gets into this week's release