v1.0.2-app

What's Changed

• 문서들 추가 by @jja08111 in #86
• Update README.md by @jja08111 in #87
• activity_welcom.xml 레이아웃 스크롤 가능하도록 수정 by @jja08111 in #89
• Release v1.0.2 by @jja08111 in #90

Full Changelog: v1.0.1...v1.0.2