docs: Fix broken links

docs/_nav.json

@@ -2,7 +2,7 @@
     {
         "text": "Guide",
         "link": "/introduction",
-        "activeMatch": "^/(introduction|configuration|deploying|turn|appservices|maintenance|troubleshooting)"
+        "activeMatch": "^/(introduction|configuration|deploying|calls|appservices|maintenance|troubleshooting)"
     },
     {
         "text": "Development",

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
 

rspress.config.ts

@@ -56,6 +56,9 @@ export default defineConfig({
         }, {
             from: '/community$',
             to: '/community/guidelines'
+        }, {
+            from: "/turn",
+            to: "/calls/turn",
         }
         ]
     })],