open_xml 0.3.0

Open XML (OOXML) formatted documents.

0.3.0

• Migrate file system dependencies from dart:io to pkg:file for cross-platform compatibility (Web/Flutter)
• Refactor presentation generation logic into modular generators
• Remove old third-party validator submodule
• Fix MacOS Preview (Quick Look) for pptx files
• Add AI agent skills and generated exhaustive markdown documentation

0.2.0

• Add close to high level APIs
• Fix preview in quick look for pptx

0.1.0

• Add pptx parser and exporter
• Add xlsx parser and exporter
• Add docx parser and exporter