added fading scroll; widget refactorings

app/lib/features/bangs/presentation/screens/search.dart

@@ -1,5 +1,6 @@
 import 'dart:async';
 
+import 'package:fading_scroll/fading_scroll.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_hooks/flutter_hooks.dart';
 import 'package:go_router/go_router.dart';
@@ -61,24 +62,30 @@ class BangSearchScreen extends HookConsumerWidget {
       ),
       body: resultsAsync.when(
         skipLoadingOnReload: true,
-        data: (bangs) => ListView.builder(
-          itemCount: bangs.length,
-          itemBuilder: (context, index) {
-            final bang = bangs[index];
-            return BangDetails(
-              bang,
-              onTap: () {
-                ref
-                    .read(selectedBangTriggerProvider().notifier)
-                    .setTrigger(bang.trigger);
+        data: (bangs) => FadingScroll(
+          fadingSize: 25,
+          builder: (context, controller) {
+            return ListView.builder(
+              controller: controller,
+              itemCount: bangs.length,
+              itemBuilder: (context, index) {
+                final bang = bangs[index];
+                return BangDetails(
+                  bang,
+                  onTap: () {
+                    ref
+                        .read(selectedBangTriggerProvider().notifier)
+                        .setTrigger(bang.trigger);
 
-                if (ref.read(bottomSheetProvider) is! CreateTab) {
-                  ref.read(bottomSheetProvider.notifier).show(
-                        CreateTab(preferredTool: KagiTool.search),
-                      );
-                }
+                    if (ref.read(bottomSheetProvider) is! CreateTab) {
+                      ref.read(bottomSheetProvider.notifier).show(
+                            CreateTab(preferredTool: KagiTool.search),
+                          );
+                    }
 
-                context.go(KagiRoute().location);
+                    context.go(KagiRoute().location);
+                  },
+                );
               },
             );
           },