Tachi Code 1.0 is a ground-up rewrite with lots of new features!

New:
- Open multiple files in the same instance of Tachi Code
- Configure the extension and editor using the Settings UI or JSON editor
- Choose from a growing library of themes
- Compare files and text snippets with the diff viewer
- Live preview for Mermaid and SVG
- More context menu integrations

- Updated markdown preview styles, image, and link handling
- Implemented actions for the remaining footer buttons (aside from the JSON schema button)
- Consolidates browser context menu actions into a nested menu

- Added support for relative source in image tags
- Fixed context menu options not loading

Improves markdown styles and fixes a couple of bugs

Improves markdown rendering

- Added Markdown preview scroll sync from editor to preview pane.
- Various style enhancements in Markdown preview.
- Added support for more HTML tags (sanitized) in Markdown preview
- Added browser context menu options for viewing the current page's source or selected text in a new file.
- Added basic print styling, so you can now print the editor content instead of the whole page.
- Added support for section header links in markdown preview
- Improved error handling
- Fixed syntax highlighting not appearing for many languages in Markdown preview.
- Fixed relative markdown preview URLs being associated with the extension domain
- Fixed crash when attempting to change language to the currently active language