Add docs for #3148

[zmerlynn]

Documents new options from #3148 - merge after that one is merged

[agones-bot]

Build Succeeded 👏

Build Id: 76061d5d-984b-4289-a8c8-966eceaf615b

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:1.32.0-9fb82ba-amd64
• image: us-docker.pkg.dev/agones-images/ci/agones-sdk:1.32.0-9fb82ba-linux-amd64
• image: us-docker.pkg.dev/agones-images/ci/agones-ping:1.32.0-9fb82ba-amd64
• image: us-docker.pkg.dev/agones-images/ci/agones-allocator:1.32.0-9fb82ba-amd64
• Linux C++ SDK (build): agonessdk-1.32.0-9fb82ba-amd64-linux-arch_64.tar.gz
• SDK Server: agonessdk-server-1.32.0-9fb82ba-amd64.zip

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

• https://9fb82ba-dot-preview-dot-agones-images.appspot.com/

To install this version:

• git fetch https://github.com/googleforgames/agones.git pull/3173/head:pr_3173 && git checkout pr_3173
• helm install agones ./install/helm/agones --namespace agones-system --set agones.image.registry=us-docker.pkg.dev/agones-images/ci --set agones.image.tag=1.32.0-9fb82ba-amd64

[agones-bot]

Build Succeeded 👏

Build Id: f818502b-53e4-4f91-9b74-32ecf7a24bab

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:1.32.0-9b8cfaa-amd64
• image: us-docker.pkg.dev/agones-images/ci/agones-sdk:1.32.0-9b8cfaa-linux-amd64
• image: us-docker.pkg.dev/agones-images/ci/agones-ping:1.32.0-9b8cfaa-amd64
• image: us-docker.pkg.dev/agones-images/ci/agones-allocator:1.32.0-9b8cfaa-amd64
• Linux C++ SDK (build): agonessdk-1.32.0-9b8cfaa-amd64-linux-arch_64.tar.gz
• SDK Server: agonessdk-server-1.32.0-9b8cfaa-amd64.zip

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

• https://9b8cfaa-dot-preview-dot-agones-images.appspot.com/

To install this version:

• git fetch https://github.com/googleforgames/agones.git pull/3173/head:pr_3173 && git checkout pr_3173
• helm install agones ./install/helm/agones --namespace agones-system --set agones.image.registry=us-docker.pkg.dev/agones-images/ci --set agones.image.tag=1.32.0-9b8cfaa-amd64

[google-oss-prow]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: gongmax, roberthbailey, zmerlynn

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• OWNERS [roberthbailey]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[agones-bot]

Build Succeeded 👏

Build Id: c664754e-be5d-4c68-b93f-a8f67e990442

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:1.32.0-ccc84d0-amd64
• image: us-docker.pkg.dev/agones-images/ci/agones-sdk:1.32.0-ccc84d0-linux-amd64
• image: us-docker.pkg.dev/agones-images/ci/agones-ping:1.32.0-ccc84d0-amd64
• image: us-docker.pkg.dev/agones-images/ci/agones-allocator:1.32.0-ccc84d0-amd64
• Linux C++ SDK (build): agonessdk-1.32.0-ccc84d0-amd64-linux-arch_64.tar.gz
• SDK Server: agonessdk-server-1.32.0-ccc84d0-amd64.zip

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

• https://ccc84d0-dot-preview-dot-agones-images.appspot.com/

To install this version:

• git fetch https://github.com/googleforgames/agones.git pull/3173/head:pr_3173 && git checkout pr_3173
• helm install agones ./install/helm/agones --namespace agones-system --set agones.image.registry=us-docker.pkg.dev/agones-images/ci --set agones.image.tag=1.32.0-ccc84d0-amd64