Move material Input component into sky/framework

sky/framework/input.dart

Index: sky/framework/input.dart
diff --git a/sky/examples/editor/input.dart b/sky/framework/input.dart
similarity index 90%
rename from sky/examples/editor/input.dart
rename to sky/framework/input.dart
index 0c5b499b6e9a9c72e8edfc3fee0cefd5a9b64900..4651122246f8f1229641b3eeb21577ae86fbf4c4 100644
--- a/sky/examples/editor/input.dart
+++ b/sky/framework/input.dart
@@ -2,11 +2,11 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import '../../framework/fn.dart';
-import '../../framework/theme/colors.dart';
-import 'editable_string.dart';
-import 'editable_text.dart';
-import 'keyboard.dart';
+import 'editing/editable_string.dart';
+import 'editing/editable_text.dart';
+import 'editing/keyboard.dart';
+import 'fn.dart';
+import 'theme/colors.dart';
 
 typedef void ValueChanged(value);