Feature: Add Debug Panel

[joshlavroff]

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name: Pull Request
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Related Issue
Fixes #523

Description of Changes
Adds debugging panel that allows users to keep track of component states, variables, and errors from within the Preswald app. Can be toggled from preswald.toml via the debug flag.

Type of Change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation update
• New example
• Test improvement

Testing
Tested with earthquakes and iris example projects.

2025-05-07.18-18-39.mp4

Checklist

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have run my code against examples and ensured no errors
• Any dependent changes have been merged and published in downstream modules