Remove outdated content, update contributors.
Moving translations to their own directory
Delete .gitignore
remove arity.

Signed-off-by: Bo-Yi Wu <appleboy.tw@gmail.com>
add some question for chinese traditional.

Signed-off-by: Bo-Yi Wu <appleboy.tw@gmail.com>
Remove outdated content.

Signed-off-by: Bo-Yi Wu <appleboy.tw@gmail.com>