Use sphinx design instead of sphinx panels

examples/dbt_plugin/README.md

@@ -85,7 +85,7 @@ This image is built using the following `Dockerfile` and contains:
 - A postgres database.
 
 ````{dropdown} See Dockerfile
-:title: text-muted
+:color: muted
 
 This Dockerfile can be found in the ``flytesnacks/examples`` directory under
 the filepath listed in the code block title below.

examples/onnx_plugin/README.md

@@ -11,36 +11,37 @@ and deep learning models. It enables interoperability between different framewor
 
 The flytekit onnx type plugin comes in three flavors:
 
-```{eval-rst}
-.. tabbed:: ScikitLearn
-
-  .. code-block::
+::::{tab-set}
 
-      pip install flytekitplugins-onnxpytorch
+:::{tab-item} ScikitLearn
 
-  This plugin enables the conversion from scikitlearn models to ONNX models.
+```{code-block}
+pip install flytekitplugins-onnxpytorch
 ```
 
-```{eval-rst}
-.. tabbed:: TensorFlow
-
-  .. code-block::
+This plugin enables the conversion from scikitlearn models to ONNX models.
+:::
 
-      pip install flytekitplugins-onnxtensorflow
+:::{tab-item} TensorFlow
 
-  This plugin enables the conversion from tensorflow models to ONNX models.
+```{code-block}
+pip install flytekitplugins-onnxtensorflow
 ```
 
-```{eval-rst}
-.. tabbed:: PyTorch
-
-  .. code-block::
+This plugin enables the conversion from tensorflow models to ONNX models.
+:::
 
-      pip install flytekitplugins-onnxpytorch
+:::{tab-item} PyTorch
 
-  This plugin enables the conversion from pytorch models to ONNX models.
+```{code-block}
+pip install flytekitplugins-onnxpytorch
 ```
 
+This plugin enables the conversion from pytorch models to ONNX models.
+:::
+
+::::
+
 :::{note}
 If you'd like to add support for a new framework, please create an issue and submit a pull request to the flytekit repo.
 You can find the ONNX plugin source code [here](https://github.com/flyteorg/flytekit/tree/master/plugins).