Spring cleaning, part 2 (#813)

* Remove OData v2 show case: Genres TreeView
* Refactored bookstore and fiori services: consolidate routing and remove deprecated files
* Add Jest configuration file with silent mode enabled
* Refactor test files: streamline imports and remove redundant code
* Change price field type to Price for better clarity and precision
* Example for separation of concerns: access-control.cds

test/messaging.test.js

@@ -1,8 +1,8 @@
 const cds = require('@sap/cds')
+const { expect } = cds.test.in(__dirname,'..')
 
 describe('cap/samples - Messaging', ()=>{
 
-    const { expect } = cds.test.in(__dirname,'..')
     const _model = '@capire/reviews'
     const Reviews = 'sap.capire.reviews.Reviews'
     beforeAll(()=>{