* Relativization of search results
* Fix JavaScript error when opening images
* Replace single-letter logo and remove sign-in link
* Add `WHOOGLE_URL_PREFIX` env var to support relative path redirection
The `WHOOGLE_URL_PREFIX` var can now be set to fix internal app
redirects, such as the `/session` redirect performed on the first visit
to the Whoogle home page.
Co-authored-by: Ben Busby <contact@benbusby.com>
