fix: correct handling of missing files

daemon/entrypoint.sh

 #!/bin/sh
 set -eu
 
-rm /tmp/rtorrent.log
-touch /tmp/rtorrent.log
-rm /tmp/.session/rtorrent.lock /tmp/.session/rtorrent.pid
+mkdir -p /tmp/.session
+echo > /tmp/rtorrent.log
+rm /tmp/.session/rtorrent.lock /tmp/.session/rtorrent.pid || true
 
 # Start rtorrent as a daemon with the setting in the config file
 # & to actually run it in the background