* #1263 - creating new module for view-helper
* #1263 - creating Product and ProductViewModel
* #1263 - creating interfaces for View and ViewHelper
* #1263 - creating ProductViewHelper and its test
* #1263 - creating Console View for Product
* #1263 - creating ProductController
* #1263 - creating main App and its test
* #1263 - adding license header
* #1263 - keeping module in alphabetical order
* #1263 - creating README and diagrams
* #1263 apply spotless
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Co-authored-by: Ilkka Seppälä <iluwatar@users.noreply.github.com>
