Migrate from Vue to React framework.

client/src/middleware/logger.js

@@ -0,0 +1,9 @@
+const logger = store => next => action => {
+  console.group(action.type)
+  console.info('dispatching', action)
+  let result = next(action)
+  console.log('next state', store.getState())
+  console.groupEnd()
+  return result
+}
+export default logger