Adding code of OpenSAP week2 unit 1 demo

packages/bookshop/package.json

@@ -1,21 +1,14 @@
 {
-  "name": "@sap/capire-bookshop",
+  "name": "bookshop",
   "version": "1.0.0",
-  "description": "A simple bookshop application, build in a self-contained all-in-one fashion, i.e. w/o reusing other packages.",
-  "license": "SAP SAMPLE CODE LICENSE",
+  "description": "A simple CAP project.",
+  "repository": "<Add your repository here>",
+  "license": "ISC",
   "dependencies": {
-    "@sap/cds": "latest",
-    "express": "*"
+    "@sap/cds": "^3",
+    "express": "^4"
   },
   "scripts": {
-    "start": "cds run --in-memory?",
-    "watch": "cds watch"
-  },
-  "cds": {
-    "requires": {
-      "db": {
-        "kind": "sql"
-      }
-    }
+    "start": "npx cds run"
   }
-}
+}