Examine source code of PIDM Integration Module

{
  "manifest_version": 3,
  "name": "PIDM Downloader",
  "version": "1.0",
  "permissions": [
    "contextMenus",
    "nativeMessaging",
    "notifications"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "saeed.masoodi@yahoo.com",
      "strict_min_version": "109.0"
    }
  },
  "host_permissions": [
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "commands": {
    "download_with_pidm": {
      "suggested_key": {
        "default": "Ctrl+Shift+D"
      },
      "description": "Download current link or video with PIDM"
    }
  },
  "action": {
    "default_title": "Download with PIDM"
  },
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  }
}