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manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "version": "1.4",
  "name": "__MSG_appName__",
  "description": "__MSG_appDesc__",
  "default_locale": "pt_BR",
  "icons": {
    "512": "icon-512.png"
  },
  "host_permissions": [
    "http://*.youtube.com/*",
    "https://*.youtube.com/*"
  ],
  "permissions": [
    "tabs",
    "activeTab"
  ],
  "action": {
    "default_icon": "icon-512.png",
    "default_popup": "popup.html"
  },
  "background": {
    "service_worker": "background.js"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "icon-512.png"
      ],
      "matches": [
        "<all_urls>",
        "https://*/*",
        "*://*/*"
      ]
    }
  ]
}