#134 fix layer z-index bug.
#133 smalltalk - urlify, text-overflow bug
Merge branch 'develop' into feature/main-smalltalks
새글 작성시도 urlify가 작동하도록 수정
새글 작성시 urlify 작동위치 변경
Merge pull request #135 from javajigi/feature/main-smalltalks

Fix #133, #134