- Updated mermaidjs to 1.8.2

Updated mermaid.js to v10.9.1

- Added code block folding feature to the text editor

- mermaid updated to v10.2.4
- Added templates for Git, Mindmap, Guadrant, Requirement diagrams

- Update mermaid to v10.1.0

- Update mermaid-js to 8.14.0

- Add document type compatibility to avoid extension conflicts

- NEW: You can preview mermaid documents in Files app now
- NEW: Add QuickLook Preview extension
- FIX: Improve thumbnail generating for mermaid documents

- Increase editor width when in landscape mode
- Add iPhone support

- Fix parsing error indicator in editor

- Thumbnail extension added, now .mmd file has thumbnail in document browser
- Fix thumbnail orientation of opened files
- Fix preview failed when diagram image to large
- Fix create new document does not prompt for saving
- Improve error message displaying
- Improve dark mode compatibility

- Add Command+Shift+[ or ] to switch between opened files
- Add Command+Shift+D to back to document browser
- Fix create document does work when previous creation cancelled

Improve content layout of editor and preview window when keyboard is visible.