* add new blog template
* update placeholder images
* use svg favicon
* Update examples/blog/src/pages/blog/using-mdx.mdx
Co-authored-by: Sarah Rainsberger <sarah@rainsberger.ca>
* fred pass
* more fred pass
Co-authored-by: Nate Moore <nate@astro.build>
Co-authored-by: Sarah Rainsberger <sarah@rainsberger.ca>
