Release 0.2.1

• Add - Apply black formatting to codebase
• Update - Move recursive_search function
• Update - Revise Pytests/docker structure
• Update - Add reference schema for supplemental tables
• Add - Visualization notebook
• Add - GitHub Actions workflows

0.2.0

• Update - Docker and Compose files
• Update - Requirements for latest releases of Elements
• Update - Workflow pipeline, ingestion, and populate scripts
• Update - pytests
• Add - Code of conduct

Also includes updates from unreleased versions.