pin ibis-substrait

Pin pandas < 2.1

Add missing order_by statement in 04-More-Value-Expressions when filtering for top 3 most frequent continents

Fix notebooks for ibis 6.1

fix: execute() to to_pandas()

add imdb dataset example

fix: add ipywidgets in requirements and badge to README

A few dockerfile changes

Add campaign finance notebook

Add script for converting campaign data to parquet

Add black pre-commit hook

added clickhouse hackernews example

First run-through

GH-9: Add Substrait example (#16)

add example: read remote parquet using duckdb (#14)