docs(serviceprovider): wip

On-behalf-of: @SAP christopher.junk@sap.com
Signed-off-by: Christopher Junk <christopher.junk@sap.com>

Author: christophrj

docs/about/design/service-provider-design.md

@@ -227,6 +227,7 @@ The following artifacts are derived from this document and must be continuously
 
 - Service Provider Template
 - Service Provider Runtime
+- Service Provider Development Guide
 
 ## Out of Scope