Examine source code of Direct2OA

{
  "manifest_version": 2,
  "name": "__MSG_extensionName__",
  "description": "__MSG_extensionDescription__",
  "version": "1.1resigned1",
  "default_locale": "fr",
  "applications": {
    "gecko": {
      "strict_min_version": "56.0a1",
      "id": "{f64c2596-bead-487c-aaaa-7295845ae091}"
    }
  },
  "background": {
    "scripts": [
      "assets/jquery-3.3.1.min.js",
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://*/*",
        "http://*/*"
      ],
      "js": [
        "assets/jquery-3.3.1.min.js"
      ]
    }
  ],
  "permissions": [
    "menus",
    "activeTab",
    "tabs",
    "<all_urls>",
    "storage",
    "webRequest"
  ],
  "icons": {
    "16": "icons/CustomLogoOpenAccess16.png",
    "32": "icons/CustomLogoOpenAccess32.png",
    "48": "icons/CustomLogoOpenAccess48.png",
    "128": "icons/CustomLogoOpenAccess128.png"
  },
  "browser_action": {
    "default_icon": "icons/CustomLogoOpenAccess32.png",
    "default_title": "Direct2OA"
  },
  "sidebar_action": {
    "default_icon": "icons/Open_Access_logo-32.png",
    "default_title": "Direct2OA",
    "default_panel": "sidebar/sidebar.html"
  }
}