improve ui; update version code

lib/pages/related_page.dart

@@ -0,0 +1,69 @@
+import 'package:fluent_ui/fluent_ui.dart';
+import 'package:flutter_staggered_grid_view/flutter_staggered_grid_view.dart';
+import 'package:pixes/components/illust_widget.dart';
+import 'package:pixes/components/loading.dart';
+import 'package:pixes/components/title_bar.dart';
+import 'package:pixes/foundation/app.dart';
+import 'package:pixes/network/network.dart';
+import 'package:pixes/utils/translation.dart';
+
+class RelatedIllustsPage extends StatefulWidget {
+  const RelatedIllustsPage(this.id, {super.key});
+
+  final String id;
+
+  @override
+  State<RelatedIllustsPage> createState() => _RelatedIllustsPageState();
+}
+
+class _RelatedIllustsPageState
+    extends MultiPageLoadingState<RelatedIllustsPage, Illust> {
+  @override
+  Widget? buildFrame(BuildContext context, Widget child) {
+    return Column(
+      children: [
+        TitleBar(title: "Related artworks".tl),
+        Expanded(
+          child: child,
+        )
+      ],
+    );
+  }
+
+  @override
+  Widget buildContent(BuildContext context, final List<Illust> data) {
+    return LayoutBuilder(builder: (context, constrains) {
+      return MasonryGridView.builder(
+        padding: const EdgeInsets.symmetric(horizontal: 8) +
+            EdgeInsets.only(bottom: context.padding.bottom),
+        gridDelegate: const SliverSimpleGridDelegateWithMaxCrossAxisExtent(
+          maxCrossAxisExtent: 240,
+        ),
+        itemCount: data.length,
+        itemBuilder: (context, index) {
+          if (index == data.length - 1) {
+            nextPage();
+          }
+          return IllustWidget(data[index]);
+        },
+      );
+    });
+  }
+
+  String? nextUrl;
+
+  @override
+  Future<Res<List<Illust>>> loadData(page) async {
+    if (nextUrl == "end") {
+      return Res.error("No more data");
+    }
+    var res = nextUrl == null
+        ? await Network().relatedIllusts(widget.id)
+        : await Network().getIllustsWithNextUrl(nextUrl!);
+    if (!res.error) {
+      nextUrl = res.subData;
+      nextUrl ??= "end";
+    }
+    return res;
+  }
+}