Update README.md (#670)

Author: lu-ohai

ai-quick-actions/README.md

@@ -21,6 +21,7 @@ Manager (ORM) or manually. For further information see [Policies](policies/READM
 - [Model Fine Tuning](fine-tuning-tips.md)
 - [Model Evaluation](evaluation-tips.md)
 - [Model Registration](register-tips.md)
+- [Model Metrics](aqua_metrics/README.md)
 - [MultiModal Models Tips](multimodal-models-tips.md)
 - [Time Series Forecasting](time-series-forecasting/README.md)
 - [CLI](cli-tips.md)
@@ -115,6 +116,7 @@ In some cases a more sophisticated solution is needed, for example [fine tuning.
 - [Model Fine Tuning](fine-tuning-tips.md)
 - [Model Evaluation](evaluation-tips.md)
 - [Model Registration](register-tips.md)
+- [Model Metrics](aqua_metrics/README.md)
 - [MultiModal Models Tips](multimodal-models-tips.md)
 - [Time Series Forecasting](time-series-forecasting/README.md)
 - [CLI](cli-tips.md)