ci: disable publish to TestPyPI and PyPI

0.3.1

test: update new tick_sample data with 500,000 rows

docs: update 1st example for data_structure module

fix: fix bug related to input dataframe and path to data

refactor: update code style to black

build: add black and precommit to automate code formatting

docs: update readme badges

0.3.0

build: update dependencies and remove token from ci-cd workflow

test: add various tests for updated features and refactor old tests

feat: add fractional differential feature to the util module

fix: added helper function to split the data frame into chunks

docs: update readme

docs: update readme file