Adding metadata to the files would allow an obsidian vault to be used with GatsbyJs. Can you add support for markdown metadata using something like markdown-it-front-matter?
we already support YAML metadata.
Are you sure?
When I put something like below, it remders all of that to the screen.
Yes, v0.8.5 added support for it:
YAML Frontmatter is now recognized. You can also hide it using the option in Settings > Editor > Show frontmatter.
Full release notes here: