Examine source code of Memory Optimizer

{
  "manifest_version": 3,
  "name": "Memory Optimizer",
  "version": "1.0",
  "description": "Suspend inactive tabs to free up system resources and improve browser performance.",
  "icons": {
    "128": "icons/icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{c23d5f21-3b4d-4ef9-9331-bc19a947ab13}"
    }
  },
  "permissions": [
    "tabs",
    "storage"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "action": {
    "default_popup": "popup/popup.html",
    "default_icon": {
      "128": "icons/icon128.png"
    }
  }
}