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manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "minimum_chrome_version": "100",
  "name": "__MSG_name__",
  "version": "3.1.0",
  "description": "__MSG_description__",
  "default_locale": "en",
  "icons": {
    "128": "icon.png"
  },
  "permissions": [
    "contextMenus"
  ],
  "optional_permissions": [
    "tabs"
  ],
  "background": {
    "service_worker": "background.js",
    "type": "module"
  },
  "action": {
    "default_icon": "icon.png",
    "default_title": "__MSG_actionTitle__"
  }
}