Sudoku

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Sudoku",
  "description": "Play Sudoku on your Chromebook!",
  "version": "0.0.4.0",
  "app": {
    "background": {
      "scripts": [
        "background.js"
      ]
    }
  },
  "icons": {
    "128": "icon128.png"
  }
}