Improve MineGeo exploration and mapping features

components/MapCard.tsx

@@ -8,6 +8,7 @@ export type CardMap = {
   source: string;
   panorama_count: number;
   image?: string | null;
+  credit?: string;
   server?: { name: string } | undefined;
   bounds: { minX: number; minZ: number; maxX: number; maxZ: number };
 };
@@ -34,6 +35,7 @@ export function MapCard({ map, index = 0 }: { map: CardMap; index?: number }) {
           <ArrowUpRight size={20} />
         </h3>
         <p>{map.description}</p>
+        {map.credit && <p className="map-credit">By {map.credit}</p>}
         <div className="card-meta">
           <span>
             <MapPin size={13} />