Prototype/manifest.json

{
  "name": "FTP Client",
  "description": "FTP Client Prototype",
  "version": "0.1",
  "manifest_version": 2,
  "app": {
    "background": {
      "scripts": ["background.js"]
    }
  },
  "icons": { "16": "FTPIcon.png", "128": "FTPIcon.png" }
}