Focus: A Simple Site Blocker

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Focus: A Simple Site Blocker",
  "short_name": "Focus",
  "description": "A Chrome Extension to help you focus.",
  "version": "1.0.1",
  "permissions": [
    "storage",
    "webRequest",
    "webRequestBlocking",
    "*://*/*"
  ],
  "background": {
    "persistent": true,
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_title": "Focus",
    "default_popup": "popup.html",
    "default_icon": "48.png"
  },
  "icons": {
    "16": "16.png",
    "48": "48.png",
    "128": "128.png"
  },
  "manifest_version": 2,
  "content_security_policy": "script-src 'self' https://ajax.googleapis.com; object-src 'self'"
}