[Bug] aria2.conf换行错误

[zuilintan]

添加环境变量后, rpc-secret未换行后插入

[varhub]

Setting RPC_SECRET is broken since b1eb100 due to a tiny typo.

patch start.sh locally with the missing \n (printf '\nrpc-secret=%s\n') and bind mount on top of the original one (-v ./start.sh /aria2/start.sh)