Add dev mode for easy copying of at:// URIs and DIDs (#7723)

* Add dev mode for easy copying at:// URIs and DIDs

* Use storage API

* Share text instead of URL

* Cleanup persisted schema

* Change translation msg

src/state/preferences/dev-mode.ts

@@ -0,0 +1,9 @@
+import {device, useStorage} from '#/storage'
+
+export function useDevModeEnabled() {
+  const [devModeEnabled = false, setDevModeEnabled] = useStorage(device, [
+    'devMode',
+  ])
+
+  return [devModeEnabled, setDevModeEnabled] as const
+}