Examine source code of FlashLegacy: Flash Games

{
  "name": "FlashLegacy: Flash Games",
  "description": "Step back into the golden era of gaming with FlashLegacy, your gateway to classic Flash games that defined a generation.",
  "version": "1.0.2",
  "manifest_version": 3,
  "action": {
    "default_icon": {
      "16": "/images/icon-16.png",
      "32": "/images/icon-32.png",
      "48": "/images/icon-48.png",
      "128": "/images/icon-128.png"
    }
  },
  "icons": {
    "16": "/images/icon-16.png",
    "32": "/images/icon-32.png",
    "48": "/images/icon-48.png",
    "128": "/images/icon-128.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "permissions": [],
  "browser_specific_settings": {
    "gecko": {
      "id": "{9b9d7243-aebf-43ae-9337-714c2bb01d53}",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}