Report by yibaiqin

Adds a browser action icon to the toolbar. Click the button to choose a beast. The active tab's body content is then replaced with a picture of the chosen beast. See <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/95d2523a802349589fcfc8d83005ed1d9dc4c1e7ce4e1dad8b388545cff6a6c5/https%3A//developer.mozilla.org/en-US/Add-ons/WebExtensions/Examples%23beastify" rel="nofollow">https://developer.mozilla.org/en-US/Add-ons/WebExtensions/Examples#beastify</a>