adding packages

deprecated/features/lib/src/provider.dart

@@ -0,0 +1,20 @@
+import 'package:flutter/material.dart';
+
+import 'feature.dart';
+
+class Features extends InheritedWidget {
+  const Features({
+    Key? key,
+    required this.items,
+    required Widget child,
+  }) : super(key: key, child: child);
+
+  final List<Feature> items;
+
+  static Features? of(BuildContext context) {
+    return context.dependOnInheritedWidgetOfExactType<Features>();
+  }
+
+  @override
+  bool updateShouldNotify(Features old) => items != old.items;
+}