add a send feedback menu item

lib/atom.dart

@@ -19,6 +19,8 @@ AtomPackage _package;
 /// The singleton instance of [Atom].
 final Atom atom = new Atom();
 
+final Shell shell = new Shell();
+
 final JsObject _ctx = context['atom'];
 
 /// An Atom package. Register your package using [registerPackage].
@@ -638,6 +640,14 @@ class AtomEvent extends ProxyHolder {
   void stopImmediatePropagation() => invoke('stopImmediatePropagation');
 }
 
+class Shell {
+  Shell();
+
+  JsObject get _shell => require('shell');
+
+  openExternal(String url) => _shell.callMethod('openExternal', [url]);
+}
+
 class BufferedProcess extends ProxyHolder {
   static BufferedProcess create(String command, {
       List<String> args,

lib/plugin.dart

@@ -102,6 +102,9 @@ class AtomDartPackage extends AtomPackage {
         return new Future.delayed((new Duration(milliseconds: 100)));
       }).then((_) => analysisServer.reanalyzeSources());
     });
+    _addCmd('atom-workspace', 'dartlang:send-feedback', (_) {
+      shell.openExternal('https://github.com/dart-atom/dartlang/issues');
+    });
 
     // Text editor commands.
     _addCmd('atom-text-editor', 'dartlang:newline', editing.handleEnterKey);

menus/atom-dart.cson

@@ -1,13 +1,13 @@
 # See https://atom.io/docs/latest/hacking-atom-package-word-count#menus.
 
-'menu': [
-  {
+'menu': [ {
     label: 'Packages'
     submenu: [
       label: 'Dart'
       submenu: [
-        {label: 'Reanalyze Sources', command: 'dartlang:reanalyze-sources'},
-        {label: 'Show Analysis Server Status', command: 'dartlang:analysis-server-status'}
+        {label: 'Re-analyze Sources', command: 'dartlang:reanalyze-sources'},
+        {label: 'Show Analysis Server Status', command: 'dartlang:analysis-server-status'},
+        {label: 'Send Feedback…', command: 'dartlang:send-feedback'}
       ]
     ]
   }