Model bundles v2 python API (#89)

* Add model bundles v2 API

* add get list and clone routes too

* use types and make docstrings more informative

* fixes

* fix status

Author: phil-scale

docs/api/model_bundles.md

@@ -1,3 +1,21 @@
 # Model Bundles
 
+::: launch.model_bundle.CloudpickleArtifactFlavor
+
+::: launch.model_bundle.CreateModelBundleV2Response
+
+::: launch.model_bundle.CustomFramework
+
+::: launch.model_bundle.ListModelBundlesV2Response
+
 ::: launch.model_bundle.ModelBundle
+
+::: launch.model_bundle.ModelBundleV2Response
+
+::: launch.model_bundle.PytorchFramework
+
+::: launch.model_bundle.RunnableImageFlavor
+
+::: launch.model_bundle.TensorflowFramework
+
+::: launch.model_bundle.ZipArtifactFlavor