docs: add specific instructions for deploying to public cloud (#585)

docs/pages/CentralDeployment.md

@@ -2,10 +2,10 @@
 
 the best way is to deploy the UI5 Spreadsheet Importer centrally on the system. Once deployed, it is much easier for the individual developer to use.
 
-## Deployment to On-Premise ABAP System
+## Deployment to ABAP System
 
 The **best way** is to use a carrier UI5 app.  
-This app contains all required versions of the Spreadsheet Importer component and with just one deployment all versions are available in the system.   
+This app contains all required versions of the Spreadsheet Importer component and with just one deployment all versions are available in the system.  
 The components are available in the app index through the deployment.
 
 ### UI5 Carrier App
@@ -16,6 +16,14 @@ Just follow the README.md file in the repository.
 
 After the deployment, you can use the component in your Fiori app.
 
+#### S/4HANA Public Cloud
+
+For the deployment to S/4HANA Public Cloud, you need to make the Component available in the SAP Fiori Launchpad and to the user.  
+The crossNavigation is already defined in the [carrier app](https://github.com/spreadsheetimporter/packed-deployment-abap/blob/a6d41d00b7c38ae0f547fbdd6364b18231391625/webapp/manifest.json#L12-L25).  
+So when you deploy the carrier app, a FLP App Descriptor is created. Now you can create or add this to an IAM app, add to a catalog and assign it to a role (like explained [here](https://developers.sap.com/tutorials/abap-environment-shell-plugin..html#bb4645a0-87b0-4eba-ba11-dd9321a8f781)).
+The user needs the role to use the component, otherwise the user gets an error message like `"Blocked by UCON"`.
+
+
 ### Manual deployment
 
 1\. Clone Repo