Adds Polaris mascots

[MelSumner]

If merged, this PR adds the Polaris Tomster and Zoey to the website.

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1/14 Files got Bigger 🚨:

Details

File | raw | gzip --- | --- | --- ember-website-fastboot.js|+306 B|+58 B

13/14 Files stayed the same size 🤷‍:

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File | raw | gzip --- | --- | --- blurhash.js| 0 B| 0 B chunk.143.js| 0 B| 0 B chunk.177.js| 0 B| 0 B chunk.178.js| 0 B|-1 B chunk.208.js| 0 B| 0 B chunk.488.js| 0 B| 0 B ember-website.js| 0 B|+1 B polyfill-evergreen.js| 0 B| 0 B polyfill-legacy.js| 0 B| 0 B polyfill-shared.js| 0 B| 0 B vendor.js| 0 B| 0 B ember-website.css| 0 B| 0 B vendor.css| 0 B|-1 B

Created by ember-asset-size-action

[MelSumner]

One of the things I am not sure about is that tests are failing for things I did not change. Is this a known issue?

[mansona]

@MelSumner yes we opted to remove some of the strange mocking implementations of data for the tests because they stopped reflecting reality and we missed a few bugs. Essentially it's a bit more annoying to update the website but it's much safer to make any changes now 👍