Add adapter: Matterfull

[Matterfull]

🏷 Type of documentation

• [x] new bid adapter
• [ ] update bid adapter
• [ ] new feature
• [ ] text edit only (wording, typos)
• [ ] bugfix (code examples)
• [ ] new examples

📋 Checklist

• [x] Related pull requests in prebid.js or server are linked -> https://github.com/prebid/prebid-server/pull/4343
• [x] For new adapters check submitting your adapter docs

[netlify[bot]]

✅ Deploy Preview for prebid-docs-preview ready!

Name	Link
🔨 Latest commit	683918cadee9701f7be61d8c4adc06dff2dbf77a
🔍 Latest deploy log	https://app.netlify.com/projects/prebid-docs-preview/deploys/683858e4ee9b86000864d194
😎 Deploy Preview	https://deploy-preview-6042--prebid-docs-preview.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify project configuration.

[muuki88]

Hi @Matterfull

I updated the PR - the check with bidder values are a fallback if none is provided. You are the bidder and should try to provide proper information here.