BREAKING CHANGE: Turn off escaping of the spacial characters by default

Use --escape-special-chars flag to fall back to previous behaviour.

Fixes #100

Release fat universal macOS binaries binaries

https://goreleaser.com/customization/universalbinaries/

Auto-fix nested CDATA tags in the note content

Improve detecting base64 encoded attachments

Fix a bug that makes spaces in list items disappear in certain notes

Implement handling todo items with checkboxes

Fix app crashes on lists rendering

Continue processing notes when OS fails to write a file

Fix an issue when images were incorrectly added in the end of the note

Update FrontMatter template