Move App into shell dir. Decouple ContextProviders. Improved type coverage for reducers

packages/app/shell/App.tsx

@@ -0,0 +1,24 @@
+import React from 'react';
+import { hot } from 'react-hot-loader/root';
+import { Route, Switch } from 'react-router-dom';
+import { Store } from 'app/reducers';
+import AuthFlowRoute from 'app/containers/AuthFlowRoute';
+import RootPage from 'app/pages/root/RootPage';
+import SuccessOauthPage from 'app/pages/auth/SuccessOauthPage';
+
+import ContextProvider from './ContextProvider';
+
+const App = ({ store, history }: { store: Store; history: any }) => (
+  <ContextProvider store={store} history={history}>
+    <Switch>
+      <Route path="/oauth2/code/success" component={SuccessOauthPage} />
+      <AuthFlowRoute
+        path="/oauth2/:version(v\d+)/:clientId?"
+        component={() => null}
+      />
+      <Route path="/" component={RootPage} />
+    </Switch>
+  </ContextProvider>
+);
+
+export default hot(App);