Fix seaf-cli issues

docker-entrypoint.sh

 #!/usr/bin/env bash
 set -Eeo pipefail
 
+mkdir /seafile-data
 seaf-cli init -d /seafile-data
 if [ -z "$OTP_TOKEN" ]; then
   seaf-cli sync -l "$LIBRARY" -s "$SERVER" -d "/sync" -u "$EMAIL" -p "$PASSWORD" --tfa $(oathtool --totp -b "$OTP_TOKEN")