Added PR details to changelog

Author: ravi-databricks

CHANGELOG.md

@@ -6,6 +6,7 @@
 - Added support for Bring your own custom transformation: [Issue](https://github.com/databrickslabs/dlt-meta/issues/68)
 - Added support to Unify PyPI releases with GitHub OIDC: [PR](https://github.com/databrickslabs/dlt-meta/pull/62)
 - Added demo for append_flow and file_metadata options: [PR](https://github.com/databrickslabs/dlt-meta/issues/74)
+- Added Demo for silver fanout architecture: [PR](https://github.com/databrickslabs/dlt-meta/pull/83)
 - Added documentation in docs site for new features: [PR](https://github.com/databrickslabs/dlt-meta/pull/64)
 - Added unit tests to showcase silver layer fanout examples: [PR](https://github.com/databrickslabs/dlt-meta/pull/67)
 - Fixed issue for No such file or directory: '/demo' :[PR](https://github.com/databrickslabs/dlt-meta/issues/59)