Adds a simple interface to write precise search queries for google, google-scholar, wikipedia, and youtube. After installing, use `Ctrl+Shift+F` to toggle the search window. Try `Tab` and `Shift+Tab` to manipulate inputs. Try `UpArrow` and `DownArrow` to navigate the selected search engine. Use `Enter` to submit your search. If the extension doesn't work immediately, try restarting your browser.