[landing] Add SVG to imageRule
[landing] Add SVG to imageRule

Summary: Add SVG to imageRule so we can incorporate the illustrations from figma

Test Plan: I was able to add the eyeball illustration to the page (https://blob.sh/atul/eyeball.png)

Reviewers: ashoat

Reviewed By: ashoat

Subscribers: ashoat, KatPo, palys-swm, Adrian

Differential Revision: https://phabricator.ashoat.com/D984

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