Create requirements file for deployment to streamlit cloud.

example/requirements.txt

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+altair==4.2.2
+attrs==22.2.0
+blinker==1.5
+cachetools==5.3.0
+certifi==2022.12.7
+charset-normalizer==3.1.0
+click==8.1.3
+decorator==5.1.1
+entrypoints==0.4
+gitdb==4.0.10
+GitPython==3.1.31
+idna==3.4
+importlib-metadata==6.0.0
+Jinja2==3.1.2
+jsonschema==4.17.3
+markdown-it-py==2.2.0
+MarkupSafe==2.1.2
+mdurl==0.1.2
+numpy==1.24.2
+packaging==23.0
+pandas==1.5.3
+Pillow==9.4.0
+protobuf==3.20.3
+pyarrow==11.0.0
+pydeck==0.8.0
+Pygments==2.14.0
+Pympler==1.0.1
+pyrsistent==0.19.3
+python-dateutil==2.8.2
+pytz==2022.7.1
+pytz-deprecation-shim==0.1.0.post0
+requests==2.28.2
+rich==13.3.2
+semver==2.13.0
+six==1.16.0
+smmap==5.0.0
+streamlit==1.19.0
+streamlit-simple-gallery==0.0.3
+toml==0.10.2
+toolz==0.12.0
+tornado==6.2
+typing_extensions==4.5.0
+tzdata==2022.7
+tzlocal==4.2
+urllib3==1.26.14
+validators==0.20.0
+watchdog==2.3.1
+zipp==3.15.0