[Speed] Adds TF support (#17207)

* Adds TF support

* Correct link

Author: angelampcosta

src/content/docs/speed/optimization/content/speed-brain.mdx

@@ -97,6 +97,10 @@ curl --request PATCH \
 
 To disable Speed Brain, set `value:` to `"off"`.
 
+</TabItem> <TabItem label="Terraform">
+
+You can also configure Speed Brain using Terraform. For more details, refer to the [`cloudflare_zone_settings_override` resource](https://registry.terraform.io/providers/cloudflare/cloudflare/4.43.0/docs/resources/cloudflare_zone_settings_override) in the Terraform documentation.
+
 </TabItem> </Tabs>
 
 ## Caveats