Added installation for cds (#177)

When running these samples for the first time,
it is necessary to install the cds binaries globally.

Co-authored-by: Christian Georgi <[email protected]>
Co-authored-by: Daniel Hutzel <[email protected]>

Author: 3 people

README.md

@@ -5,12 +5,15 @@ Find here a collection of samples for the [SAP Cloud Application Programming Mod
 ![](https://github.com/SAP-samples/cloud-cap-samples/workflows/CI/badge.svg)
 [![REUSE status](https://api.reuse.software/badge/github.com/SAP-samples/cloud-cap-samples)](https://api.reuse.software/info/github.com/SAP-samples/cloud-cap-samples)
 
+
 ### Preliminaries
 
-1. [Install @sap/cds-dk](https://cap.cloud.sap/docs/get-started/) as documented in [capire](https://cap.cloud.sap)
+1. [Install @sap/cds-dk](https://cap.cloud.sap/docs/get-started/) globally as documented in [capire](https://cap.cloud.sap)
+   ```sh
+   npm i -g @sap/cds-dk
+   ```
 2. _Optional:_ [Use Visual Studio Code](https://cap.cloud.sap/docs/get-started/in-vscode)
 
-
 ### Download
 
 Clone this repo as shown below, if you have [git](https://git-scm.com/downloads) installed,