Merge pull request #1 from bylee/master

Test
Merge pull request #1 from bylee/master

Code Sync
[Title] Added skeleton code to" System mock and client."
[Title] Added mock response code.
[Desc.] JSON mock response
[Title] Added 'system store' pie chart skeleton code
[Title] Added using mock data logic.
Merge pull request #2 from gseok/master

시스템 모니터링 기능 가져오기