Examine source code of Passwork Auto Logon

{
  "manifest_version": 2,
  "name": "Passwork Auto Logon",
  "homepage_url": "https://passwork.me",
  "description": "Password manager for companies",
  "version": "0.6.0",
  "icons": {
    "128": "icon.png"
  },
  "default_locale": "en",
  "permissions": [
    "tabs",
    "clipboardWrite",
    "unlimitedStorage",
    "http://*/",
    "https://*/",
    "*://*/*",
    "storage",
    "contextMenus",
    "cookies",
    "management"
  ],
  "short_name": "Passwork",
  "optional_permissions": [],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_title": "Passwork",
    "default_icon": "icon.png",
    "default_popup": "www/index.html"
  },
  "web_accessible_resources": [
    "www/settings.html",
    "www/formnotfound.html",
    "content.js",
    "own.js",
    "loader/loader.html",
    "loader/loader.js"
  ]
}