Learn 2 Spell

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Learn 2 Spell",
  "description": "Learn spelling and vocabulary with touch-typing drills. Save words you come across on internet using the right-click menu.",
  "version": "4.2",
  "manifest_version": 2,
  "content_security_policy": "script-src 'self' https://en.wiktionary.org; object-src 'self'",
  "background": {
    "page": "background.html"
  },
  "browser_action": {
    "default_icon": "2.png"
  },
  "icons": {
    "16": "2.png",
    "128": "icon.png"
  },
  "permissions": [
    "http://*/*",
    "https://*/*",
    "https://en.wiktionary.org/",
    "http://en.wiktionary.org/",
    "background",
    "tabs",
    "contextMenus",
    "storage",
    "unlimitedStorage",
    "notifications"
  ]
}