* refactor: migrate from submodules to multi-root workspace for plugins
- Updated LEDMatrix.code-workspace to include all plugin repos as root folders
- Removed symlinks from plugin-repos/ and plugins/ directories
- Updated .gitignore to reflect new plugin management approach
- Added setup_plugin_repos.py script for managing plugin symlinks (if needed)
- Added MULTI_ROOT_WORKSPACE_SETUP.md documentation
Plugins are now managed as independent repositories via multi-root workspace,
allowing for easier development and independent updates without modifying
the LEDMatrix project structure.
* Fix MULTI_ROOT_WORKSPACE_SETUP.md and add JSON error handling
- Remove deprecated clone_plugin_repos.py command reference
- Add language tag to directory tree code fence (fixes MD040)
- Add JSONDecodeError handling in setup_plugin_repos.py with user-friendly error messages
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Co-authored-by: Chuck <chuck@example.com>