feat: moznost nahrat podklad cenovky aj ako PNG

src/lib/badgeUtils.ts

@@ -110,7 +110,7 @@ export function renderCleanBadgeSvg(
     return `<text x="${layer.x}" y="${layer.y}" text-anchor="${anchor}" dominant-baseline="central" font-family="${fontFamily}" font-size="${fontSize}px" font-weight="${fontWeight}" fill="${fill}">${contentSvg}</text>`;
   }).join('\n    ');
 
-  return `<svg xmlns="http://www.w3.org/2000/svg" viewBox="${vb}" width="${displayWidth}" height="${displayHeight}" style="display:block;max-width:100%;height:auto;">
+  return `<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="${vb}" width="${displayWidth}" height="${displayHeight}" style="display:block;max-width:100%;height:auto;">
     ${innerBg}
     ${textLayersSvg}
   </svg>`;