docs: add speech recognition release note and improve doc sorting

- Add user-facing release note for speech-to-text feature
- Sort documentation by status (completed > in_progress > planned)
- Update voice-controlled-reporting to v2 (planned future version)

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

content/nl/documentatie/_index.json

@@ -82,7 +82,7 @@
       "group": "features",
       "description": "CRUD operations voor cliënten",
       "order": 5,
-      "status": "planned"
+      "status": "in_progress"
     },
     {
       "slug": "screening-system",
@@ -123,12 +123,20 @@
       "order": 10,
       "status": "planned"
     },
+    {
+      "slug": "spraakgestuurde-verslaglegging",
+      "title": "Spraakgestuurde Verslaglegging",
+      "group": "features",
+      "description": "Real-time spraakherkenning voor rapportages via Deepgram",
+      "order": 11,
+      "status": "completed"
+    },
     {
       "slug": "voice-controlled-reporting",
-      "title": "Spraakgestuurd Rapporteren",
+      "title": "Spraakgestuurd Rapporteren (v2)",
       "group": "features",
       "description": "AI-gedreven spraakopname voor dictaat en metingen extractie",
-      "order": 11,
+      "order": 12,
       "status": "planned"
     },
     {