Wordgram - vocabulary manager

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "default_locale": "en",
  "name": "__MSG_app_name__",
  "short_name": "__MSG_app_name_short__",
  "version": "1.0.5",
  "description": "Vocabulary manager",
  "icons": {
    "128": "public/img/icon-128.png"
  },
  "permissions": [
    "activeTab",
    "tts"
  ],
  "browser_action": {
    "default_title": "__MSG_app_name__",
    "default_icon": {
      "19": "public/img/icon-19.png",
      "38": "public/img/icon-38.png"
    },
    "default_popup": "index.html"
  },
  "content_security_policy": "script-src 'self' https://apis.google.com https://maxcdn.bootstrapcdn.com 'unsafe-eval'; object-src 'self'"
}