Release v0.4.0

What's Changed

• Refactor by-animal settings to operate on top of hiererchal directories by @bruno-f-cruz in #46
• Fomalize UiHelper module by @bruno-f-cruz in #50
• Decouple picker logic from workflow by implementing "Picker" abstraction by @bruno-f-cruz in #52
• Make launcher app agnostic to subtype by @bruno-f-cruz in #53
• Add example of BehaviorLauncher usage by @bruno-f-cruz in #55
• Move prompt logic to inner services by @bruno-f-cruz in #56
• Improve code documentation by @bruno-f-cruz in #57
• Refactor CLI and allow composability via pydantic-settings by @bruno-f-cruz in #59
• Refactor watchdog job logic to match aind-data-transfer-service limitations by @bruno-f-cruz in #60
• Add docstrings and remove redundant methods by @bruno-f-cruz in #61
• Make default picker enter animal before showing known options by @bruno-f-cruz in #62
• Release 0.4 by @bruno-f-cruz in #51

Full Changelog: v0.3.4...v0.4.0