Examine source code of QuickWikiEditor

{
  "manifest_version": 2,
  "name": "QuickwikiEditor",
  "description": "QuickwikiEditor is Firefox Add-on which helps Wikipedia Editors to edit (correct spelling mistakes) easily without visiting to edit pages.",
  "homepage_url": "https://github.com/BhuvanaMeenakshiK/QuickwikiEditor",
  "version": "1.0",
  "icons": {
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png"
  },
  "permissions": [
    "contextMenus",
    "tabs",
    "*://developer.mozilla.org/*",
    "*://en.wikipedia.org/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  }
}