* feat: Add opengraph information to document pages
* Apply suggestions from code review
Co-authored-by: Mark Nottingham <mnot@mnot.net>
* Add IRTF and IAB logo and make card PNGs for all
* Use the cards and restore stuff that somehow got dropped
* Try and make Twitter use the "large image" card format
Co-authored-by: Mark Nottingham <mnot@mnot.net>
* feat: Switch to SVG logo; use it (and new bitmaps) in more places
* Run images through image_optim
* Copy icons from base template
* Tint icons red when in dev mode
