integration-docs: Update Review Board for new doc format.

Part of zulip#29592.

zerver/webhooks/reviewboard/doc.md

@@ -1,19 +1,31 @@
+# Zulip Review Board integration
+
 Get Review Board notifications in Zulip!
 
+{start_tabs}
+
 1. {!create-channel.md!}
 
 1. {!create-an-incoming-webhook.md!}
 
-1. {!generate-integration-url.md!}
+1. {!generate-webhook-url-basic.md!}
 
 1. On your Review Board **Dashboard**, click your team's name in the top-right
    corner, and click **Team administration**. Select **WebHooks** on the
    left sidebar, and click **+ Create a WebHook**.
 
-1. Make sure the **Enabled** option is checked. Set **URL** to the URL constructed
-   above, and select the events you'd like to be notified about. Set **Encoding**
-   to **JSON**, and click **Create WebHook**.
+1. Make sure the **Enabled** option is checked. Set **URL** to the URL generated
+   above, and select the [events](#filtering-incoming-events) you'd like to
+   be notified about. Set **Encoding** to **JSON**, and click **Create WebHook**.
+
+{end_tabs}
 
 {!congrats.md!}
 
 ![](/static/images/integrations/reviewboard/001.png)
+
+{!event-filtering-additional-feature.md!}
+
+### Related documentation
+
+{!webhooks-url-specification.md!}