Improve vendor overview

[mjamescompton]

Summary

The vendor overview should show more information about the vendor.

Why do we need this?

Help user understand the vendor better and Improve SEO of these pages.

What is already there? What do you see now?

Vendor name, description if included, and list of devices.

What is missing? What do you want to see?

Vendor name, description, list of devices, social media links, website, vendor logo.

Can you do this yourself and submit a Pull Request?

yes, @pierrephz for design