feat(docs): add static generation and search indexes

docs/src/lib/preferences.ts

@@ -105,6 +105,19 @@ export function readDocsPreferences(
   return preferences
 }
 
+export function createDefaultDocsPreferences(
+  locale: DocLocale = defaultDocLocale
+): Preferences {
+  return Object.fromEntries(
+    (
+      Object.keys(docsPreferenceDefinitions) as Array<keyof DocsPreferences>
+    ).map((key) => [
+      key,
+      key === "locale" ? locale : docsPreferenceDefinitions[key].defaultValue,
+    ])
+  ) as DocsPreferences
+}
+
 export function persistDocsPreference(update: PreferenceUpdate) {
   const definition = docsPreferenceDefinitions[update.key]
   const serializedValue =