adding x proj ref to overview page

website/docs/docs/collaborate/govern/about-model-governance.md

@@ -11,3 +11,5 @@ pagination_prev: null
 [**Model contracts**](model-contracts): Guarantee the shape of a model while it is building to avoid surprises or breaking changes for downstream queries. Explicitly define column names, data types, and constraints (as supported by your data platform).
 
 [**Model versions**](model-versions): When a breaking change is unavoidable, provide a smoother upgrade pathway by creating a new version of the model. These model versions share a common reference name and can reuse properties & configurations.
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+[**Project dependencies**](project-dependencies): Use cross project dependencies to reference public models across dbt projects using the [two-argument ref](/reference/dbt-jinja-functions/ref#ref-project-specific-models), which includes the project name.