update cloud provider support for sql (#720)

Author: HomelessDinosaur

docs/sql.mdx

@@ -11,8 +11,8 @@ If you're interested in the architecture, provisioning, or deployment steps, the
 <Note>
   SQL databases are currently in preview and only support PostgreSql deployed to
   AWS using the <br className="hidden lg:block" />
-  `nitric/aws` and `nitric/awstf` providers or Azure with the `nitric/azure`
-  provider.
+  `nitric/aws` and `nitric/awstf` providers, GCP with the `nitric/azure`
+  provider, or Azure with the `nitric/azure` provider.
 </Note>
 
 <Note>
@@ -344,7 +344,7 @@ Guides are available for some of these alternatives in the [guides section](/gui
 Each cloud provider comes with a set of default services used when deploying resources. You can find the default services for each cloud provider below.
 
 - [AWS](/providers/mappings/aws/sql)
-- Azure - Not implemented
+- [Azure](/providers/mappings/azure/sql)
 - [Google Cloud](/providers/mappings/gcp/sql)
 
 If you need support for additional clouds, let us know by [opening an issue](https://github.com/nitrictech/nitric/issues) or joining the conversation on [Discord](https://nitric.io/chat).