Game Card Arena Preview

[dehli]

BEFORE SUBMITTING AN ISSUE CHECK THE FOLLOWING:

• [X] I checked existing issues.
• [X] This is not a support question (which can be answered on Slack).
• [X] This issue is on the web client (not API, Lambda, or Bots)

FEATURE REQUEST

- Describe the feature you would like to see I would like to see a preview of the arena on the games page (currently a static arena image is shown).

- Why you need it Seeing a static image is confusing when the arena doesn't match up.

- How it should work Receive a minimal arena preview from the backend and display it on the client.

[emilyseibert]

blocked by @oconn https://github.com/willowtreeapps/wombats-api/issues/334