loongson/mirror: links for autofeedback-grader

loongson/mirror autofeedback_grader-0.4-py3-none-any.whl
loongson/mirror autofeedback_grader-0.3-py3-none-any.whl
loongson/mirror autofeedback_grader-0.2-py3-none-any.whl
loongson/mirror AutoFeedback_grader-0.1-py3-none-any.whl