Examine source code of Sidebar Search

{
  "manifest_version": 2,
  "name": "__MSG_extensionName____MSG_beta__",
  "short_name": "My Extension",
  "version": "0.1.2",
  "description": "__MSG_extensionName____MSG_beta__",
  "author": "Michael",
  "default_locale": "en",
  "homepage_url": "https://github.com/RiskyMH/Sidebar-Search",
  "developer": {
    "name": "Michael"
  },
  "icons": {
    "48": "icons/favicon.svg"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "permissions": [
    "activeTab",
    "menus",
    "search"
  ]
}