BIB

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "BIB",
  "description": "Box2D made easier.",
  "version": "0.2",
  "offline_enabled": true,
  "app": {
    "background": {
      "scripts": [
        "background.js"
      ]
    }
  },
  "icons": {
    "16": "images/icon-16.png",
    "128": "images/icon-128.png"
  },
  "permissions": [
    {
      "fileSystem": [
        "write",
        "directory",
        "retainEntries"
      ]
    },
    "storage"
  ]
}