* Add labels for `rating` and `numberOfReviews`
* Add label for `currency.symbol`
* Add label for `descr`
* Add label for `image`
Co-authored-by: Christian Georgi <chgeo@users.noreply.github.com>
Augment `AdminService.Author` by 2 fields `age` and `lifetime` whose
values are computed by SQLite and HANA-specific functions.
Don't do this in bookshop directly, to keep it simple. Instead, use
the fiori module, which also allows to integrate the fields in the UI.
Co-authored-by: Daniel <daniel.hutzel@sap.com>
