Imagify by Jag_k

Adds a sidebar offerin a file picker and drap and drop zone. When an image file is chosen the active tab's body content is replaced with file selected. See <a rel="nofollow" href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/ba0c74d6032376b57d4d07c2a524ce18f14bab80d5ae873251c9a39d24fdaaef/https%3A//developer.mozilla.org/en-US/Add-ons/WebExtensions/Examples%23imagify">https://developer.mozilla.org/en-US/Add-ons/WebExtensions/Examples#imagify</a>