[feat] create new dataset action (#2778)

* [feat] create new dataset action

- createNewDataEntry now returns a react-palm task to create or update a dataset asynchronously.
- updateVisDataUpdater now returns tasks to create or update a dataset asynchronously, and once done triggers createNewDatasetSuccess action.
- refactoring of demo-app App and Container to functional components

Signed-off-by: Ihor Dykhta <dikhta.igor@gmail.com>
Co-authored-by: Shan He <heshan0131@gmail.com>

examples/demo-app/package.json

@@ -44,6 +44,7 @@
     "react-virtualized": "^9.21.0",
     "redux": "^4.2.1",
     "redux-actions": "^2.2.1",
+    "redux-logger": "^3.0.6",
     "redux-thunk": "^1.0.0",
     "styled-components": "^4.1.3"
   },