Add Brackets to launchEditor.js (#2637)

Author: petetnt

packages/react-dev-utils/launchEditor.js

@@ -31,12 +31,14 @@ function isTerminalEditor(editor) {
 const COMMON_EDITORS_OSX = {
   '/Applications/Atom.app/Contents/MacOS/Atom': 'atom',
   '/Applications/Atom Beta.app/Contents/MacOS/Atom Beta': '/Applications/Atom Beta.app/Contents/MacOS/Atom Beta',
+  '/Applications/Brackets.app/Contents/MacOS/Brackets': 'brackets',
   '/Applications/Sublime Text.app/Contents/MacOS/Sublime Text': '/Applications/Sublime Text.app/Contents/SharedSupport/bin/subl',
   '/Applications/Sublime Text 2.app/Contents/MacOS/Sublime Text 2': '/Applications/Sublime Text 2.app/Contents/SharedSupport/bin/subl',
   '/Applications/Visual Studio Code.app/Contents/MacOS/Electron': 'code',
 };
 
 const COMMON_EDITORS_WIN = [
+  'Brackets.exe',
   'Code.exe',
   'atom.exe',
   'sublime_text.exe',