(feat) Add this library to Conda-Forge

Request:

Add aws-step-functions-data-science-sdk-python to the community led conda-forge repository at https://github.com/conda-forge via their add recipes instructions from https://conda-forge.org/#add_recipe

Consistent to SageMaker https://anaconda.org/conda-forge/sagemaker-python-sdk

Example usage:

`$ conda install -c conda-forge sagemaker-python-sdk`
`$ conda install -c conda-forge aws-step-functions-data-science-sdk-python`

Start with the conda-forge add recipe instructions linked in the issue and compare the existing sagemaker-python-sdk package on conda-forge. Confirm the recipe metadata and package name for aws-step-functions-data-science-sdk-python, then verify that the documented conda install command works.

Written by the indexing model from the issue text.