export Logger type from dev-middleware (#53586)

Summary:
Pull Request resolved: #53586

Changelog: [Internal]

Reviewed By: huntie

Differential Revision: D81588537

fbshipit-source-id: e6537dd831cfb73ce93326e2e0c0a2bcd3929caa

Author: vzaidman

packages/dev-middleware/src/index.flow.js

@@ -8,8 +8,6 @@
  * @format
  */
 
-export {default as createDevMiddleware} from './createDevMiddleware';
-
 export type {
   BrowserLauncher,
   DebuggerShellPreparationResult,
@@ -20,5 +18,7 @@ export type {
   CustomMessageHandlerConnection,
   CreateCustomMessageHandlerFn,
 } from './inspector-proxy/CustomMessageHandler';
+export type {Logger} from './types/Logger';
 
 export {default as unstable_DefaultBrowserLauncher} from './utils/DefaultBrowserLauncher';
+export {default as createDevMiddleware} from './createDevMiddleware';