add world opinions project

World map with switchable layers (what "liberal" means, what left vs right
is about, traditional/secular and survival/self-expression values), country
cards, a shared-scale party compass, a values scatter and national
narratives of major events.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/lib/projects.ts

@@ -29,6 +29,12 @@ export const projects = [
 		href: '/projects/derby',
 		external: false
 	},
+	{
+		name: 'world opinions',
+		subtitle: 'ideologies, values and biases across countries',
+		href: '/projects/world-opinions',
+		external: false
+	},
 	{
 		name: 'money tracker',
 		subtitle: 'a manual ledger for accounts, bills and utilities',