Dodaj admin web panel u repo (admin/), sinhronizuj systemd unite

- admin/: LAN web panel (Flask + waitress + python-pam), status servisa,
  PAM login sa idriz korisnikom, vertikalni meni. Port 8080, samo LAN.
- systemd/idriz-admin.service: korisnički servis, enabled + Restart=always
  + StartLimitIntervalSec=0.
- systemd/idriz.service: dodan StartLimitIntervalSec=0 (repo je bio zastario).

Od sada sav aplikacioni source code ide u ovaj repo.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01LzKpYaEsuWDevuNnvSjcFW

systemd/idriz-admin.service

@@ -0,0 +1,18 @@
+[Unit]
+Description=Idriz Admin - LAN web panel (status servisa)
+# Nikad ne odustaj od restartovanja
+StartLimitIntervalSec=0
+After=network-online.target
+Wants=network-online.target
+
+[Service]
+Type=simple
+WorkingDirectory=%h/src/idriz/admin
+Environment=IDRIZ_ADMIN_HOST=0.0.0.0
+Environment=IDRIZ_ADMIN_PORT=8080
+ExecStart=%h/src/idriz/admin/.venv/bin/python app.py
+Restart=always
+RestartSec=5
+
+[Install]
+WantedBy=default.target