OpenTabs: Save trees by opening new tabs

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "OpenTabs: Save trees by opening new tabs",
  "short_name": "OpenTabs",
  "version": "2.64.1",
  "description": "Customize your new tab page so you can fight climate change while browsing the web. Save trees by doing what you do every day.",
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "browser_action": {
    "default_title": "OpenTabs"
  },
  "chrome_url_overrides": {
    "newtab": "index.html"
  },
  "content_security_policy": "script-src 'self' https://www.google-analytics.com/analytics.js https://api.cloudsponge.com; object-src 'self'",
  "icons": {
    "16": "icons/16.png",
    "32": "icons/32.png",
    "48": "icons/48.png",
    "128": "icons/128.png"
  },
  "externally_connectable": {
    "matches": [
      "*://*.opentabs.org/*"
    ]
  },
  "permissions": [
    "storage",
    "cookies"
  ],
  "optional_permissions": []
}