Search engines: remove dupe entry
Search engines: mention Kagi, rm dead link
Lighten bkg a bit more

Thanks to anonymous for feedback on contrast with astigmatism.
Petal uses 3p indexes in certain jurisdictions
Update README with link to codeberg mirror
Update whatsapp article with follow-up link @top
Fix html whitespace
Search engines: add semi-independent engine Neeva
Chore: fix header whitespace
CSS: a11y: brighten bkg for astigmatic readers

Reduces the "halo" effect that comes with reading bright text on a solid
black background.
Fix: use HTTPS links where possible
Update search engines

- Remove goo.ne.jp since it uses Google
- Create "Graveyard" section and move wbsrch to it 🪦
- Restore link to Crawlson since it's back up
Update webhint
Clarify attributions
Add footer heading
Web best practices: add "security" section

Add information on restricting site functionality.

Add some details on accomodating Tor users.
Fix makefiles
Fix 512px favicon
Update "about" page: age, anime faves

According to multiple sources, Seirdy apparently turned 21 a while ago.
Also added an entry to anime fave list.

Rephrase statement on Matrix availability.
Update lighthouserc