Add Segment logo to site and link to Prima's article

[mike-j-thomas]

Prima wrote a good article about hosting Fleet on AWS EKS. Let's show their support by adding Segment's logo to the homepage and linking to Prima's article in a new tab.

Figma: https://www.figma.com/file/yLP0vJ8Ms4GbCoofLwptwS/%E2%9C%85-fleetdm.com-(current%2C-dev-ready)?node-id=4808%3A19360

Link: https://segment.com/blog/hosting-fleetdm-on-aws-eks/

[mike-j-thomas]

@eashaw, I updated Figma to show how the logos will stack as low as 320px.

[eashaw]

closed by https://github.com/fleetdm/fleet/pull/7932