Examine source code of Video Downloader Plus

{
  "manifest_version": 3,
  "name": "__MSG_name__",
  "description": "__MSG_description__",
  "version": "1.2.5",
  "default_locale": "en",
  "background": {
    "scripts": [
      "js/browser-compat.js",
      "js/sw.js"
    ]
  },
  "permissions": [
    "storage",
    "tabs",
    "webRequest",
    "downloads",
    "declarativeNetRequestWithHostAccess",
    "webRequestBlocking"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "assets/images/off/icon16.png",
      "19": "assets/images/off/icon19.png",
      "32": "assets/images/off/icon32.png",
      "48": "assets/images/off/icon48.png",
      "128": "assets/images/off/icon128.png"
    }
  },
  "icons": {
    "16": "assets/images/on/icon16.png",
    "19": "assets/images/on/icon19.png",
    "32": "assets/images/on/icon32.png",
    "48": "assets/images/on/icon48.png",
    "128": "assets/images/on/icon128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "js": [
        "js/app.js"
      ],
      "css": [
        "assets/app.css"
      ],
      "all_frames": true,
      "run_at": "document_start"
    },
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "ad-script/sweetalert2.min.js",
        "ad-script/confirm-ad-redirect.js"
      ],
      "css": [
        "ad-script/sweetalert2.min.css"
      ]
    }
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self' 'wasm-unsafe-eval'; object-src 'self'; worker-src 'self' 'wasm-unsafe-eval'; img-src * data: blob:; media-src *; connect-src *; font-src *;"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "assets/images/pops/*.*"
      ],
      "matches": [
        "*://*/*"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "video-downloader-plus@extensions.local",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  }
}