Implment list

Signed-off-by: Thynson <lanxingcan@gmail.com>
Basic docs

Signed-off-by: Thynson <lanxingcan@gmail.com>
Add missing api

Signed-off-by: Thynson <lanxingcan@gmail.com>
Fix

Signed-off-by: Thynson <lanxingcan@gmail.com>
Initial implement of forward list

Signed-off-by: Thynson <lanxingcan@gmail.com>