feat: add optional matomo tracking for pageviews and download

docker-compose.deploy.yml

@@ -17,6 +17,9 @@ services:
       # Optional aktivieren für App-Login:
       - WEB_AUTH_USER=${WEB_AUTH_USER:-}
       - WEB_AUTH_PASSWORD=${WEB_AUTH_PASSWORD:-}
+      # Optional Matomo-Tracking:
+      - MATOMO_URL=${MATOMO_URL:-}
+      - MATOMO_SITE_ID=${MATOMO_SITE_ID:-}
     healthcheck:
       test: ["CMD", "python3", "-c", "import http.client,sys;c=http.client.HTTPConnection('127.0.0.1',8000,timeout=5);c.request('GET','/');r=c.getresponse();sys.exit(0 if r.status in (200,401) else 1)"]
       interval: 30s