add linux sample

[HyundongHwang]

• add sample for linux
• env
  • ubuntu 16.04
  • google test
  • cmake
• details
  • /README.ko.md

[CLAassistant]

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0 out of 2 committers have signed the CLA.

:x: HyundongHwang
:x: HyundongHwangNaverMail

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[jtyang]

您好，邮件已经收到，我会尽快回复您！祝您开心...