refactor(structure): move benchmarks, scenarios, adapters, utils to dedicated folders; update imports/project layout

benchmark_cherrypick/lib/scenarios/named_module.dart

@@ -0,0 +1,12 @@
+import 'package:cherrypick/cherrypick.dart';
+
+class Impl1 {}
+class Impl2 {}
+
+class NamedModule extends Module {
+  @override
+  void builder(Scope currentScope) {
+    bind<Object>().toProvide(() => Impl1()).withName('impl1');
+    bind<Object>().toProvide(() => Impl2()).withName('impl2');
+  }
+}