Rename the web interface to Daynivo Kiosk Manager with the Daynivo logo

The Daynivo mark sits on a small white tile in the navy bar, where its
navy parts would otherwise disappear; the favicon is Daynivo's too.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

install.sh

@@ -115,7 +115,7 @@ for g in video render input audio; do
 done
 getent group voxip >/dev/null || groupadd --system voxip
 id voxip >/dev/null 2>&1 || useradd --system --gid voxip --home-dir /var/lib/voxip-kiosk --no-create-home \
-  --shell /usr/sbin/nologin --comment "VoxIP Kiosk Manager" voxip
+  --shell /usr/sbin/nologin --comment "Daynivo Kiosk Manager" voxip
 for g in systemd-journal video; do
   getent group "$g" >/dev/null && usermod -aG "$g" voxip
 done