* Update Dockerfile by removing lefovers
* Treat symbolic links as files, Ref: https://lftp.yar.ru/lftp-man.html
* Keep in sync with fork source via GitHub Action
* Update entrypoint.sh: more stable connections (more retries, longer timeout), only loading newer files (-n), loading symbolic links as files (-L) as well as specifically excluding the git directory (-x ^.git/$)
(Co-)authored-by: Tomasz Trębski <kornicameister@gmail.com>