0.7.0

• Update - Merge workflow-calcium-imaging into element-calcium-imaging PR #135
• Add - extras_require feature to setup.py
• Add - GitHub Actions workflow to build Dev Container image
• Update - Replace get_nd2_files, etc. functions with get_image_files function
• Add - tutorial_pipeline.py script for notebooks to import and activate schemas
• Update - Replace reference.Equipment with lab.Device table
• Update - Remove demo_prepare.ipynb
• Update - Rename demo_run.ipynb to demo.ipynb
• Update - __init__.py to use environment variables (if available) in place of dj.config['custom'] values