* removed hack folder and with it all code to install deps
* reworked `make build` to show more explicitly what needs to be done when
  producing an artifact
* bumped node version dep to v14 (to make jest work again)
* adjusted readme
* suppress console output when running jest client tests

* glow is kinda distracting
* original test for title content prevents utilizing a change of
this characteristic form being used for demonstration purposed. The
additional test makes testing for the title more flexible and not
relying on its content

* PUBLIC_URL should now be provided as env var

* update deps to latest and pin min node & npm version
* checkin lock files
* make server serve client to merge both into one in order to reduce complexity
* adjust CSP accordingly

* applied latest cra-template
* removed react-specific content

src: https://github.com/aamirpinger/todo-app-client-server-kubernetes/commit/93be212a344ea910b0a13f1110975bfdfd306f3a