[INTERNAL] Add show case for cross references from JSDoc to dev guide
[INTERNAL] Add show case for cross references from JSDoc to dev guide

Change-Id: I2c1666428a2a01808e18f647651b31d81baac900

cschuff/openui5,cschuff/openui5,nzamani/openui5,nzamani/openui5,nzamani/openui5,SAP/openui5,SQCLabs/openui5,SQCLabs/openui5,SAP/openui5,cschuff/openui5,SQCLabs/openui5,SAP/openui5,SAP/openui5