bugfix speech-to-text and implement avatar and personal greeting

deploy/nginx.conf.example

@@ -10,7 +10,7 @@
 
 server {
     listen 80;
-    server_name fluentgerman.mydomain.io;  # ← Replace with your subdomain
+    server_name fluentgerman.thiessen.io;  # ← Replace with your subdomain
 
     # Redirect HTTP → HTTPS (uncomment after certbot setup)
     # return 301 https://$host$request_uri;