Examine source code of Notes App

{
  "manifest_version": 2,
  "name": "Notes App",
  "version": "1.0",
  "description": "A simple notes app to save and display your notes.",
  "permissions": [
    "storage"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": "icon.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{466d9bf3-b259-49d7-964e-a4e081265235}"
    }
  }
}