add fabric system object package to list

Author: dzsquared

docs/tools/sql-database-projects/concepts/package-references.md

@@ -90,6 +90,7 @@ The available system database packages are:
 - [SQL Server `master` system database](https://www.nuget.org/packages/Microsoft.SqlServer.Dacpacs.Master)
 - [SQL Server `msdb` system database](https://www.nuget.org/packages/Microsoft.SqlServer.Dacpacs.Msdb)
 - [Azure SQL Database `master` system database](https://www.nuget.org/packages/Microsoft.SqlServer.Dacpacs.Azure.Master)
+- [SQL database in Fabric system objects](https://www.nuget.org/packages/Microsoft.SqlServer.Dacpacs.DbFabric)
 - [Azure Synapse Analytics `master` system database](https://www.nuget.org/packages/Microsoft.SqlServer.Dacpacs.Synapse.Master)
 - [Azure Synapse Analytics serverless pools `master` system database](https://www.nuget.org/packages/Microsoft.SqlServer.Dacpacs.SynapseServerless.Master)