updates

Merge branch 'temp-branch'

add test data

modified famladl

make test_standard_data_structures work with polars

Delete .pre-commit-config.yaml

Delete combined_SOLUSDT.parquet

Delete combined_BTCETH.parquet

Delete jane_street directory

change python version to 3.11

latest changes

Removed mlfinlab submodule

Update pyproject.toml

Update python-publish.yml

run tests for 3.11 - 29 failed, 460 passed, same results as for 3.12 (#6)