Examine source code of PasswordShaker

{
  "manifest_version": 2,
  "name": "PasswordShaker",
  "version": "1.2.1",
  "description": "Generates site-specific passwords for you automatically, based on one master password.",
  "browser_specific_settings": {
    "gecko": {
      "id": "passwordshaker@julian-fietkau.de",
      "strict_min_version": "115.0"
    }
  },
  "icons": {
    "256": "icons/logo.svg"
  },
  "permissions": [
    "activeTab",
    "menus",
    "storage",
    "tabs"
  ],
  "optional_permissions": [
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "data/password-req-list.js",
      "data/password-req-list-parser.js",
      "data/publicsuffixlist.js",
      "data/publicsuffixlist-raw.js",
      "data/punycode.js",
      "engine-default/base64ArrayBuffer.js",
      "engine-default/bcrypt.js",
      "engine-default/scrypt-async.js",
      "engine-default/pbkdf2-webcrypto.js",
      "engine-default/sha3.js",
      "engine-default/engine.js",
      "engine-passwordmaker/engine.js",
      "settings.js",
      "background.js"
    ]
  },
  "page_action": {
    "browser_style": true,
    "default_icon": {
      "16": "icons/pageaction-blank.svg"
    },
    "default_title": "PasswordShaker",
    "default_popup": "page-action.html",
    "show_matches": [
      "<all_urls>"
    ]
  },
  "commands": {
    "activate": {
      "suggested_key": {
        "default": "Alt+Shift+P"
      },
      "description": "Activate PasswordShaker for the current tab"
    }
  },
  "options_ui": {
    "open_in_tab": true,
    "page": "settings.html"
  }
}