Examine source code of Browser Mouse Jiggler

{
  "manifest_version": 3,
  "name": "Browser Mouse Jiggler",
  "version": "1.0.5",
  "description": "Keep your computer active automatically. Prevent going idle and maintain your online presence effortlessly.",
  "author": "Dmytro Ye",
  "homepage_url": "https://mousejiggler.store",
  "permissions": [
    "storage",
    "activeTab",
    "tabs",
    "scripting",
    "alarms"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "browsermousejiggler@mousejiggler.store",
      "strict_min_version": "121.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "web_accessible_resources": [
    {
      "resources": [
        "logo_transparent_30x30.png",
        "logo_60x60.png",
        "callback.html"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "92": "icons/icon92.png",
      "128": "icons/icon128.png"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "service_worker": "background.js"
  },
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "92": "icons/icon92.png",
    "128": "icons/icon128.png"
  }
}