Examine source code of Simple Password Generator

{
  "manifest_version": 2,
  "name": "Simple Password Generator",
  "homepage_url": "https://github.com/araemot/password-generator",
  "description": "Generates a random password from a non-ambiguous character set.",
  "version": "2018.5.29resigned1",
  "icons": {
    "48": "dice48.png",
    "96": "dice96.png"
  },
  "browser_action": {
    "browser_style": false,
    "default_icon": "dice.png",
    "default_popup": "popup.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{a7dbb294-24aa-4073-99ed-6ff1d9fef374}"
    }
  }
}