Refactor messages model; New timeline react components

ts/state/roots/createTimeline.tsx

@@ -0,0 +1,16 @@
+import React from 'react';
+import { Provider } from 'react-redux';
+
+import { Store } from 'redux';
+
+import { SmartTimeline } from '../smart/Timeline';
+
+// Workaround: A react component's required properties are filtering up through connect()
+//   https://github.com/DefinitelyTyped/DefinitelyTyped/issues/31363
+const FilteredTimeline = SmartTimeline as any;
+
+export const createTimeline = (store: Store) => (
+  <Provider store={store}>
+    <FilteredTimeline />
+  </Provider>
+);