Selected Word's Etymology

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Selected Word's Etymology",
  "version": "0.0.2",
  "manifest_version": 3,
  "description": "選択したテキストで英語の語源検索：http://hidic.u-aizu.ac.jp/",
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "permissions": [
    "contextMenus"
  ],
  "background": {
    "service_worker": "background.js"
  },
  "content_scripts": [
    {
      "js": [
        "filter.js"
      ],
      "matches": [
        "http://hidic.u-aizu.ac.jp/result.php*"
      ]
    }
  ]
}