Examine source code of HLSMate - HLS/M3U8 Video Downloader

{
  "manifest_version": 3,
  "name": "__MSG_extensionName__",
  "version": "0.1.0",
  "default_locale": "en",
  "description": "__MSG_extensionDescription__",
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "permissions": [
    "activeTab",
    "downloads",
    "scripting",
    "storage",
    "tabs",
    "webRequest"
  ],
  "host_permissions": [
    "<all_urls>",
    "https://hlsmate.com/*"
  ],
  "background": {
    "service_worker": "scripts/background.js"
  },
  "action": {
    "default_title": "__MSG_actionTitle__",
    "default_icon": {
      "16": "icons/icon16.png",
      "32": "icons/icon32.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    },
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "exclude_matches": [
        "https://hlsmate.com/cn/hlsdownloader/*",
        "https://hlsmate.com/en/hlsdownloader/*"
      ],
      "js": [
        "scripts/content.js"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "https://hlsmate.com/cn/hlsdownloader/*",
        "https://hlsmate.com/en/hlsdownloader/*"
      ],
      "js": [
        "scripts/download-bridge.js"
      ],
      "run_at": "document_start"
    }
  ],
  "update_url": "https://edge.microsoft.com/extensionwebstorebase/v1/crx"
}