Add Nitrado logo

[0x0dr1y]

What type of PR is this?
/kind documentation

What this PR does / Why we need it:
Adds the Nitrado logo to website

Which issue(s) this PR fixes:

none

Special notes for your reviewer:
none

[google-cla]

Thanks for your pull request! It looks like this may be your first contribution to a Google open source project. Before we can look at your pull request, you'll need to sign a Contributor License Agreement (CLA).

View this failed invocation of the CLA check for more information.

For the most up to date status, view the checks section at the bottom of the pull request.

[agones-bot]

Build Succeeded 👏

Build Id: ca65d7b2-6106-48b9-a64a-e80a7f001bcb

The following development artifacts have been built, and will exist for the next 30 days:

• image: us-docker.pkg.dev/agones-images/ci/agones-controller:1.40.0-dev-e012b82-amd64
• image: us-docker.pkg.dev/agones-images/ci/agones-extensions:1.40.0-dev-e012b82-amd64
• image: us-docker.pkg.dev/agones-images/ci/agones-sdk:1.40.0-dev-e012b82-linux-amd64
• image: us-docker.pkg.dev/agones-images/ci/agones-ping:1.40.0-dev-e012b82-amd64
• image: us-docker.pkg.dev/agones-images/ci/agones-allocator:1.40.0-dev-e012b82-amd64
• Linux C++ SDK (build): agonessdk-1.40.0-dev-e012b82-amd64-linux-arch_64.tar.gz
• SDK Server: agonessdk-server-1.40.0-dev-e012b82-amd64.zip

A preview of the website (the last 30 builds are retained):

• https://e012b82-dot-preview-dot-agones-images.appspot.com/

To install this version:

• git fetch https://github.com/googleforgames/agones.git pull/3752/head:pr_3752 && git checkout pr_3752
• helm install agones ./install/helm/agones --namespace agones-system --set agones.image.registry=us-docker.pkg.dev/agones-images/ci --set agones.image.tag=1.40.0-dev-e012b82-amd64

[0x0dr1y]

I'm unable to sign the CLA because of issues with my singing mail.. Replaced by: #3753