fix: add base to client-side data-call

Author: flicksolutions

src/routes/textzeugen/[[sigla]]/[[thirties]]/[[verse]]/+page.svelte

@@ -101,7 +101,7 @@
 		const createObject = (/** @type {string} */ id) => {
 			return {
 				id: id,
-				tpData: fetch(`/textzeugen/data/${sigla}/${id}`).then((r) => r.json()),
+				tpData: fetch(`${base}/textzeugen/data/${sigla}/${id}`).then((r) => r.json()),
 				iiif: fetch(`${iiif}/${id}.jpf/info.json`).then((r) => r.json())
 			};
 		};