Examine source code of Smartpassword Extension

{
  "manifest_version": 3,
  "name": "Smartpassword Extension",
  "version": "1.0.9",
  "description": "Eine Extension zum smarten Verwalten von Passwörtern",
  "action": {
    "default_popup": "popup/popup.html",
    "default_icon": "icons/icon32.png"
  },
  "background": {
    "service_worker": "background/background.js",
    "scripts": [
      "background/background.js"
    ],
    "type": "module"
  },
  "permissions": [
    "storage",
    "activeTab",
    "tabs",
    "webNavigation"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "64": "icons/icon64.png",
    "128": "icons/icon128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "popup/popup/overlay.js",
        "content/content.js"
      ],
      "run_at": "document_idle",
      "all_frames": true
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "assets/*",
        "icons/*"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "info@dsm-online.eu",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}