Examine source code of Fast Password Generator

{
  "manifest_version": 2,
  "name": "Fast Password Generator",
  "version": "1.1",
  "description": "Generate a strong, secure password and copy it to your clipboard instantly.",
  "browser_specific_settings": {
    "gecko": {
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      },
      "id": "{20206a5e-66c7-46a3-b820-9e1866ebb05a}",
      "strict_min_version": "111.0"
    }
  },
  "background": {
    "scripts": [
      "background_passgen.js"
    ]
  },
  "browser_action": {
    "default_icon": "icon64.png",
    "default_title": "Fast Password Generator"
  },
  "permissions": [
    "clipboardWrite"
  ],
  "icons": {
    "64": "icon64.png",
    "128": "icon128.png"
  }
}