feat(museum): Display museum ID number and type

Author: jmiguelv

frontend/src/routes/museum/[slug]/+page.server.js

@@ -19,6 +19,10 @@ export async function load({ params: { slug } }) {
 		 * 		region: string,
 		 * 		country: string,
 		 * 		geo: { lon: number | null, lat: number | null }
+		 * 	},
+		 * 	idno: {
+		 * 		type: string,
+		 * 		url: string
 		 * 	}
 		 * } | undefined}
 		 */

frontend/src/routes/museum/[slug]/+page.svelte

@@ -46,6 +46,12 @@
 						<a href={museum.url} target="museum">{museum.url} <LucideExternalLink /></a>
 					</li>
 				{/if}
+				{#if museum.idno}
+				{@const idno = museum.idno}
+					<li>
+						<a href={idno.url} target="museum">{idno.type} <LucideExternalLink /></a>
+					</li>
+				{/if}
 			</ul>
 		</section>