add the missing metrics to the doc (#78)

Summary:
Please read through our [contribution guide](https://github.com/pytorch-labs/torcheval/blob/main/CONTRIBUTING.md) prior to creating your pull request.
As title

Pull Request resolved: #78

Test Plan: Fixes #{issue number}

Reviewed By: ananthsub

Differential Revision: D40821583

Pulled By: ninginthecloud

fbshipit-source-id: 5847bb61e90e3b69a6f5e7907e5183f8b8103b8b

Author: ninginthecloud

docs/source/torcheval.metrics.functional.rst

@@ -50,6 +50,7 @@ Ranking Metrics
    :toctree: generated
    :nosignatures:
 
+   click_through_rate
    frequency_at_k
    hit_rate
    num_collisions

docs/source/torcheval.metrics.rst

@@ -28,6 +28,7 @@ Classification Metrics
 
    BinaryAccuracy
    BinaryAUROC
+   BinaryBinnedAUROC
    BinaryBinnedPrecisionRecallCurve
    BinaryConfusionMatrix
    BinaryF1Score
@@ -37,6 +38,7 @@ Classification Metrics
    BinaryRecall
    MulticlassAccuracy
    MulticlassAUROC
+   MulticlassBinnedAUROC
    MulticlassBinnedPrecisionRecallCurve
    MulticlassConfusionMatrix
    MulticlassF1Score
@@ -53,6 +55,7 @@ Ranking Metrics
    :toctree: generated
    :nosignatures:
 
+   ClickThroughRate
    HitRate
    ReciprocalRank
    WeightedCalibration
@@ -74,5 +77,7 @@ Windowed Metrics
    :toctree: generated
    :nosignatures:
 
-    WindowedBinaryAUROC
-    WindowedBinaryNormalizedEntropy
+   WindowedBinaryAUROC
+   WindowedBinaryNormalizedEntropy
+   WindowedClickThroughRate
+   WindowedWeightedCalibration