feat(redux-devtools): add more exported types (#611)

Author: Methuselah96

packages/redux-devtools/src/createDevTools.tsx

@@ -34,7 +34,7 @@ interface Props<
   store?: EnhancedStore<S, A, MonitorState>;
 }
 
-type Monitor<
+export type Monitor<
   S,
   A extends Action<unknown>,
   MonitorProps,

packages/redux-devtools/src/index.ts

@@ -2,6 +2,7 @@ export {
   default as instrument,
   ActionCreators,
   ActionTypes,
+  LiftedState,
 } from 'redux-devtools-instrument';
 export { default as persistState } from './persistState';
-export { default as createDevTools } from './createDevTools';
+export { default as createDevTools, Monitor } from './createDevTools';