Examine source code of Project Plans editor

{
  "manifest_version": 2,
  "name": "__MSG_title__",
  "version": "2.1.4resigned1",
  "description": "__MSG_description__",
  "default_locale": "en",
  "browser_action": {
    "default_popup": "index.html",
    "default_icon": "icons/suite_38.png"
  },
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "*://*/*",
    "contextMenus",
    "activeTab",
    "storage",
    "tabs"
  ],
  "options_page": "options.html",
  "icons": {
    "16": "icons/suite_16.png",
    "48": "icons/suite_48.png",
    "128": "icons/suite_128.png"
  },
  "background": {
    "scripts": [
      "background.js",
      "jquery-3.3.1.min.js"
    ],
    "persistent": true
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{b847db98-53a5-4fab-84cb-e6083e2d993a}"
    }
  }
}