Spellerizer

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "__MSG_extName__",
  "description": "__MSG_extDesc__",
  "version": "1.0",
  "manifest_version": 3,
  "permissions": [
    "scripting",
    "activeTab",
    "storage"
  ],
  "default_locale": "en",
  "background": {
    "service_worker": "js/background.js"
  },
  "action": {},
  "web_accessible_resources": [
    {
      "resources": [
        "data/spelling_data.json"
      ],
      "matches": [
        "https://www.theregister.com/*"
      ]
    }
  ],
  "icons": {
    "16": "images/spell16.png",
    "32": "images/spell32.png",
    "48": "images/spell48.png",
    "128": "images/spell128.png"
  },
  "options_ui": {
    "page": "html/options.html",
    "open_in_tab": true
  },
  "content_security_policy": {
    "extension_pages": "default-src 'none'; style-src 'self'; media-src 'none'; child-src 'none'; connect-src 'none'; script-src 'self'; img-src 'self'; object-src 'none'"
  }
}