[feature] Add support score calibration

[Hunterhuan]

We support score calibration for Voxceleb recipe, and the results are listed as following:

ResNet34

ResNet34 LM

ResNet293 LM

ECAPA_TDNN1024 LM

We support score calibration for Cnceleb recipe, and the results are listed as following: ResNet34

[czy97]

Score calibration reference:

• https://arxiv.org/pdf/2010.11255
• https://arxiv.org/pdf/2211.00815 hello, @Hunterhuan can you also add the hyperlink in the README file for score calibration reference.

[Hunterhuan]

I have some comments on the README.md and examples/cnceleb/v2/README.md. @Hunterhuan Can you check it?

I have resolved these typo.