manifest.json

{
  "name": "Passphrase",
  "version": "0.1.1",
  "manifest_version": 2,

  "description": "Generate phrase-based passwords (correct horse battery staple)",
  "icons": {
    "16": "passphrase_icon_16x16.png"
  },

  "background": {
    "scripts": [ "background.js" ],
    "persistent": false
  },
  "permissions": [
    "activeTab",
    "clipboardWrite",
    "contextMenus"
  ]
}