environment-setup.md

1. install anaconda, install docker
2. create an environment for feast, selecting python 3.9. Activate the environment:

conda create --name feast python=3.9
conda activate feast

3. install dependencies:

pip install pip-tools
brew install mysql
brew install xz protobuf openssl zlib
pip install cryptography -U
conda install protobuf
conda install pymssql
pip install -e ".[dev]"
make install-protoc-dependencies PYTHON=3.9
make install-python-ci-dependencies PYTHON=3.9

4. start the docker daemon
5. run unit tests:

make test-python-unit