feat: New keyboard shortcuts guide (#2051)

* feat: Add search

* feat: New design for keyboard shortcuts guide
feat: Include quick search
fix: Add missing shortcuts

* tweaks

* fix: Two other spots that should trigger guide-style instead of modal

* sink,lift -> indent,outdent

* fix: Animation should slide out as well as in

app/components/Input.js

@@ -35,6 +35,10 @@ const RealInput = styled.input`
     color: ${(props) => props.theme.placeholder};
   }
 
+  &::-webkit-search-cancel-button {
+    -webkit-appearance: none;
+  }
+
   ${breakpoint("mobile", "tablet")`
     font-size: 16px;
   `};