[BUGFIX] set sudoers to unix file format
[BUGFIX] set sudoers to unix file format

[DESC.]
If it is not applied, it may occurs severe `sudo` error on installation.

gotchazipc/webida-server,kyungmi/webida-server,webida/webida-server,gotchazipc/webida-server,kyungmi/webida-server,webida/webida-server,webida/webida-server,gotchazipc/webida-server,kyungmi/webida-server,kyungmi/webida-server,gotchazipc/webida-server,webida/webida-server