Resource를 role에 assign 하는 작업 진행중
파일 추가, 이전의 커밋에 추가될 파일을 여기에서 커밋함
to make eclipse could run rails server
	- the file if copied from bin/rails
New functions:
	Assigning resources to role
	Revoking resources from role

New sections:
	Common header using render
	Conditional local header using yield

Note:
	Add some Korean comments in app/views/layouts/application.html.erb
Alpha finished:
	Role assign and revoke
	Resource assign and revoke

Going to merge with main branch