chore: Add requirements.txt (py venv)

requirements.txt

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+astroid==2.7.3
+autopep8==1.5.7
+cffi==1.14.6
+colorama==0.4.4
+isort==5.9.3
+lazy-object-proxy==1.6.0
+mccabe==0.6.1
+pkg_resources==0.0.0
+platformdirs==2.3.0
+protobuf==3.19.1
+pybars3==0.9.7
+pycodestyle==2.7.0
+pycparser==2.20
+pylint==2.10.2
+PyMeta3==0.5.1
+termcolor==1.1.0
+toml==0.10.2
+typed-ast==1.4.3
+typing_extensions==4.1.1
+wrapt==1.12.1
+yapf==0.31.0