fix: added dummy getting-started page to fix broken url

Author: roerohan

src/content/docs/realtime/getting-started.mdx

@@ -0,0 +1,6 @@
+---
+pcx_content_type: navigation
+title: Getting Started
+sidebar:
+  order: 3
+---

src/content/docs/realtime/index.mdx

@@ -38,7 +38,7 @@ The [Realtime SFU (Selective Forwarding Unit)](/realtime/sfu) is a powerful medi
 
 The [TURN service](/realtime/turn) is a managed service that acts as a relay for WebRTC traffic. It ensures connectivity for users behind restrictive firewalls or NATs by providing a public relay point for media streams.
 
-<LinkButton variant="primary" href="/realtime/get-started/">
+<LinkButton variant="primary" href="/realtime/getting-started/">
 	Get started
 </LinkButton>
 <LinkButton