add loaded page number

src/client/page/gallery.tsx

@@ -55,6 +55,10 @@ export const GalleryInfo = (props: GalleryProp) => {
                             gallery={`/search?${queryString}`} short />);
                     })
                 }
+                <Typography variant="body1" sx={{
+                    justifyContent: "center",
+                    textAlign:"center"
+                }}>{state.documents.length} loaded...</Typography>
                 <Button onClick={()=>loadMore()} disabled={loadAll}>{loadAll ? "Load All" : "Load More"}</Button>
             </Box>
         );