feat: Add option to use HS512 secret for JWT instead of ED25519 (#680)

* Add functionality for HS512 JWT tokens

* Add HS512_SECRET to installation docs

* Update CHANGELOG.md regarding HS512

* Move HS512_SECRET to advenced section in docs

* Move token Keyfunc logic to Server function

* Add Keyfunc to spelling

* chore: spelling

Signed-off-by: Xe Iaso <me@xeiaso.net>

---------

Signed-off-by: Xe Iaso <me@xeiaso.net>
Co-authored-by: Martin Weidenauer <mweidenauer@nanx0as46153.anx.local>
Co-authored-by: Xe Iaso <me@xeiaso.net>

.github/actions/spelling/expect.txt

@@ -67,6 +67,7 @@ distros
 dnf
 dnsbl
 dnserr
+domainhere
 dracula
 dronebl
 droneblresponse
@@ -145,6 +146,7 @@ JWTs
 kagi
 kagibot
 keikaku
+Keyfunc
 keypair
 KHTML
 kinda
@@ -313,4 +315,5 @@ yourdomain
 yoursite
 Zenos
 zizmor
+Zonbocom
 zos