Add Menu component (#3097)

* Add POC menu abstraction

* Better platform handling

* Remove ignore

* Add some menu items

* Add controlled dropdown

* Pass through a11y props

* Ignore uninitialized context

* Tweaks

* Usability improvements

* Rename handlers to props

* Add radix comment

* Ignore known type

* Remove todo

* Move storybook item

* Improve Group matching

* Adjust theming

src/view/screens/Storybook/index.tsx

@@ -16,6 +16,7 @@ import {Dialogs} from './Dialogs'
 import {Breakpoints} from './Breakpoints'
 import {Shadows} from './Shadows'
 import {Icons} from './Icons'
+import {Menus} from './Menus'
 
 export function Storybook() {
   const t = useTheme()
@@ -84,6 +85,7 @@ export function Storybook() {
           <Links />
           <Forms />
           <Dialogs />
+          <Menus />
           <Breakpoints />
         </View>
       </CenteredView>