add semantic models and saved queries to about dbt projects page

this pr adds semantic models and saved queries to the 'about dbt projects' page, which lists all the resources supported int eh dbt_project.yml

website/docs/docs/build/projects.md

@@ -22,6 +22,8 @@ At a minimum, all a project needs is the `dbt_project.yml` project configuration
 | [metrics](/docs/build/build-metrics-intro) | A way for you to define metrics for your project. |
 | [groups](/docs/build/groups) | Groups enable collaborative node organization in restricted collections. |
 | [analysis](/docs/build/analyses) | A way to organize analytical SQL queries in your project such as the general ledger from your QuickBooks. |
+| [semantic models](/docs/build/semantic-models) | Semantic models define the foundational data relationships in [MetricFlow](/docs/build/about-metricflow) and the [dbt Semantic Layer](/docs/use-dbt-semantic-layer/dbt-sl), enabling you to query metrics using a semantic graph. |
+| [saved queries](/docs/build/saved-queries) | Saved queries organize reusable queries by grouping metrics, dimensions, and filters into nodes visible in the dbt DAG. |
 
 When building out the structure of your project, you should consider these impacts on your organization's workflow: