Webpage Spell-Check

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "name": "Webpage Spell-Check",
  "version": "0.3",
  "description": "Instant spell-check on any web page",
  "background": {
    "service_worker": "js/background.js"
  },
  "action": {
    "default_icon": "default_icon.png",
    "default_title": "Webpage Spell-Check",
    "default_popup": "popup.html"
  },
  "icons": {
    "48": "icon_48.png",
    "128": "icon_48.png"
  },
  "web_accessible_resources": [],
  "host_permissions": [
    "http://*/*",
    "https://*/*"
  ],
  "permissions": [
    "storage"
  ],
  "content_scripts": [
    {
      "all_frames": false,
      "js": [
        "js/spellcheck-extension.js"
      ],
      "css": [
        "css/stylesheet.css"
      ],
      "matches": [
        "http://*/*",
        "https://*/*"
      ]
    }
  ]
}