Examine source code of URL Revealer

{
  "manifest_version": 2,
  "name": "__MSG_extensionName__",
  "short_name": "__MSG_extensionName__",
  "version": "1.0.2resigned1",
  "author": "HuyLD",
  "description": "__MSG_extensionDescription__",
  "default_locale": "en",
  "applications": {
    "gecko": {
      "strict_min_version": "57.0",
      "id": "{3d1d6cd6-09bc-4bf1-ac32-20469362fa97}"
    }
  },
  "icons": {
    "16": "assets/main-icon.svg",
    "48": "assets/main-icon.svg",
    "96": "assets/main-icon.svg",
    "128": "assets/main-icon.svg"
  },
  "permissions": [
    "<all_urls>",
    "activeTab",
    "clipboardWrite",
    "contextMenus",
    "notifications",
    "storage"
  ],
  "background": {
    "scripts": [
      "libs/constants.js",
      "libs/supported-domains.js",
      "libs/url-parser.js",
      "background-scripts/cache-service.js",
      "background-scripts/request-url.js",
      "background-scripts/main-background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "libs/constants.js",
        "libs/url-parser.js",
        "/content_scripts/main-content-script.js"
      ],
      "css": [
        "assets/announcer.css"
      ]
    }
  ]
}