Configure timezone with TZ env var. Resolves #109

docker-compose.yml

@@ -9,6 +9,7 @@ services:
       - LOG_LEVEL=${LOG_LEVEL:-info}
       - LOG_HTML=${LOG_HTML:-false}
       - CAPTCHA_SOLVER=${CAPTCHA_SOLVER:-none}
+      - TZ=Europe/London
     ports:
       - "${PORT:-8191}:8191"
     restart: unless-stopped