CSV Table Support

• Support for CSV-based join tables
• CSVs can be read dynamically using read_csv()
• CSVs can be loaded statically into memory
• CSV benchmarks
• Enhanced testing of configuration files
• Configuration file naming conventions and standardization

MVP

Created an MVP proving out the DuckDB SQL transformation approach, including:

• Documentation
• Local dev harness
• Test Suite
• Synthetic Data generation
• Config validator
• Benchmarks
• Configuration Examples
• Docker image