chore: Add homepage link to theme card

src/lib/themes.ts

@@ -5,6 +5,7 @@ export interface ZenTheme {
   image: string
   downloadUrl: string
   id: string
+  homepage?: string
 }
 
 export function getAllThemes(): ZenTheme[] {
@@ -23,3 +24,7 @@ export function getAllThemes(): ZenTheme[] {
 export function getThemesFromSearch(themes: ZenTheme[], query: string): ZenTheme[] {
   return themes.filter((theme) => theme.name.toLowerCase().includes(query.toLowerCase()));
 }
+
+export function getThemeFromId(id: string): ZenTheme | undefined {
+  return getAllThemes().find((theme) => theme.id === id);
+}