Examine source code of Web Notes

{
  "manifest_version" : 2 ,
  "name" : "Web Notes",
  "homepage_url" : "https://github.com/AjaxPop/webNotes",
  "description" : "Create and save your notes to the web browser.",
  "version" : "1.0.1",
  "icons" : {
    "48" : "icons/icon48.png"
  },
  "browser_action" : {
    "default_icon" : "icons/icon96.png",
    "default_popup" : "popup/popup.html"
  },
  "permissions" : [
    "activeTab" ,
    "storage" 
  ]
}