Hierarchy, Ordering, more Metadata for navigation

• Hierarchy reading: brings the canvas hierarchical relations and ordering as TOC-tree to navigate
• Flexibility in Canvas Reading: recognizes multiple areas with multiple tree/graph structures
• Better metadata on navigational headings: data from nodes and files in navigational headers
• Filenames as headings in resultdoc

Conversion processing

Feature completion
Conversion now consists of 2 steps: generating a canvas level intermediate document and a cleared target document to continue editing in content level.

Improvements

• documentation optimization
• added slim inline documentation in generated process media

Errors

• Fixed an error when the canvas files being located in the root of the obsidian vault
• Fixed handling of variations of media filenames

Initial Release for review

added requested changes from review bot.
plus additional request

Initial Release

Initial Release