docs: Fix broken links

docs/deploying/docker.mdx

@@ -217,4 +217,4 @@ Alternatively, you can use Continuwuity's built-in delegation file capability. S
 
 ## Voice communication
 
-See the [TURN](../turn.md) page.
+See the [Calls](../calls.mdx) page.

docs/deploying/generic.mdx

@@ -277,7 +277,7 @@ that port 8448 is open and forwarded correctly.
 
 ## Audio/Video calls
 
-For Audio/Video call functionality see the [TURN Guide](../turn.md).
+For Audio/Video call functionality see the [Calls](../calls.md) page.
 
 ## Appservices