Added Ubiquiti Networks logo (#321)

* Added Ubiquiti Networks logo

* Edit reference page

* Fix accidental README.md formating

* Added template

images/reference/index.md

@@ -193,6 +193,7 @@ Where possible this links to the organisation's brand guidelines page.
 | <img src="/images/svg/gitea.svg" width="256"/> | <img src="/images/reference/gitea.png" width="256"/> | https://github.com/go-gitea/gitea/tree/master/assets |
 | <img src="/images/svg/drone.svg" width="256"/> | <img src="/images/reference/drone.png" width="256"/> | https://github.com/drone/brand |
 | <img src="/images/svg/rubygems.svg" width="256"/> | <img src="/images/reference/rubygems.png" width="256"/> | https://rubygems.org |
+| <img src="/images/svg/ubiquiti.svg" width="256"/> | <img src="/images/reference/ubiquiti.png" width="256"/> | https://pbs.twimg.com/profile_images/862701781368713216/B7oW421__400x400.jpg |
 | <img src="/images/svg/verizon.svg" width="256"/> | <img src="/images/reference/verizon.png" width="256"/> | https://apps.apple.com/us/app/my-verizon/id416023011 |
 | <img src="/images/svg/wekan.svg" width="256"/> | <img src="/images/reference/wekan.svg" width="256"/> | https://github.com/wekan/wekan/blob/master/public/wekan-logo-150.svg |
 | <img src="/images/svg/kemal.svg" width="256"/> | <img src="/images/reference/kemal.png" width="256"/> | https://raw.githubusercontent.com/kemalcr/kemalcr.com/master/img/kemal.png |