Merge pull request #12 from ChanghunLim/master

[TASK] my button component for custom component test
Merge pull request #13 from ChanghunLim/master

[TASK] snippet demo sample
[Title] sample's default height 수정
Merge pull request #14 from yeongtaik/master

[Title] sample's default height 수정
[BUGFIX] custom component rendering bug fixed