* feat(File Tree): add `file-tree` shortcode support
* feat(file-tree): add ignoreList parameter to file-tree shortcode
* feat(file-tree): enhance file-tree shortcode with ignoreList and folderSlash options
* feat(file-tree): enhance file-tree shortcode to support data mode
* feat(file-tree): enhance file-tree shortcode to support file mode
* feat(file-tree): improve content parsing in file-tree shortcode
* feat(file-tree): improve root path validation and error handling in filesystem mode
* test(file-tree): add unit tests for `file-tree` shortcode
* feat(file-tree): add file-tree code block rendering support
* refactor(file-tree): extract filesystem scanning to get-file-tree partial
Move directory traversal and root path validation to a separate partial function,
consolidating all filesystem-related logic in one place. This simplifies the
shortcode implementation and ensures a unified data format for rendering.
* docs(readme): extend code fence and shortcode support for file tree in documentation
* feat(file-tree): add fullRootName parameter for root path display in file tree
* feat(file-tree): add language parameter to get-file-tree function
* feat(file-tree): add highlightList parameter for file-tree shortcode
* perf(file-tree): add level param for get-file-tree function to descend only level directories deep
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