Wire in redux-observables and add basic epic

src/index.tsx

@@ -1,19 +1,28 @@
 import React from 'react';
 import ReactDOM from 'react-dom';
-import { createStore } from 'redux';
+import { createStore, applyMiddleware } from 'redux';
 import { Provider } from 'react-redux';
+import { createEpicMiddleware } from 'redux-observable';
 
-import { reducers } from './state';
+import { reducers, epics, Action, State } from './state';
 import * as WorkloadActions from './state/workloads/actions';
-import { WorkloadService } from './state/workloads/services';
-
 import './index.css';
 import App from './App';
 
 
-// demo store
+const epicMiddleware = createEpicMiddleware<Action, Action, State>();
+const store = createStore(reducers, applyMiddleware(epicMiddleware));
 
-const store = createStore(reducers);
+epicMiddleware.run(epics);
+store.dispatch(WorkloadActions.submit({ complexity: 100 }));
+
+
+/*
+
+import * as WorkloadActions from './state/workloads/actions';
+import { WorkloadService } from './state/workloads/services';
+
+// demo store
 
 store.subscribe(() => {
   console.log('store workload[0]', store.getState().workloads[0]);
@@ -51,7 +60,6 @@ setTimeout(() => workloadService.checkStatus({ id: 2 })
     .then(console.log.bind(console, 'checkStatus 2')), 200);
 
 
-/*
 // pretend epic code
 
 function createWorkload(action$) {