Fix nav, add light/dark theme toggle and site links

Author: jaschadub

zensical.toml

@@ -10,7 +10,33 @@ nav = [
   {"Trust Bundles" = "trust-bundles.md"},
   {"Deployment" = "deployment.md"},
   {"Troubleshooting" = "troubleshooting.md"},
+  {"schemapin.org" = "https://schemapin.org"},
 ]
 
 [project.repository]
 url = "https://github.com/ThirdKeyAI/SchemaPin"
+
+[[project.theme.palette]]
+scheme = "default"
+toggle.icon = "lucide/sun"
+toggle.name = "Switch to dark mode"
+
+[[project.theme.palette]]
+scheme = "slate"
+toggle.icon = "lucide/moon"
+toggle.name = "Switch to light mode"
+
+[[project.extra.social]]
+icon = "fontawesome/brands/github"
+link = "https://github.com/ThirdKeyAI/SchemaPin"
+name = "SchemaPin on GitHub"
+
+[[project.extra.social]]
+icon = "fontawesome/solid/globe"
+link = "https://schemapin.org"
+name = "schemapin.org"
+
+[[project.extra.social]]
+icon = "fontawesome/solid/shield-halved"
+link = "https://thirdkey.ai"
+name = "ThirdKey"