add rank metrics

[Wenshansilvia]

@RZFan525 you can list all potential metrics for the rank task in this issue.

[RZFan525]

• MarginRankingLoss: https://pytorch.org/docs/stable/generated/torch.nn.MarginRankingLoss.html#torch.nn.MarginRankingLoss
• TripletMarginLoss: https://pytorch.org/docs/stable/generated/torch.nn.TripletMarginLoss.html#torch.nn.TripletMarginLoss
• SoftMarginLoss: https://pytorch.org/docs/stable/generated/torch.nn.SoftMarginLoss.html#torch.nn.SoftMarginLoss
• MultiMarginLoss: https://pytorch.org/docs/stable/generated/torch.nn.MultiMarginLoss.html#torch.nn.MultiMarginLoss