Examine source code of Nimino

{
  "manifest_version": 2,
  "name": "Nimino Plugin",
  "author": "Nimino",
  "version": "2.0",
  "description": "Nimino is a website that has been developed to reduce internet consumption in Iran.",
  "icons": {
    "64": "icons/nimino.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "developer": {
    "name": "AminCoder",
    "url": "https://amincoder.ir"
  },
  "permissions": [
    "contextMenus",
    "tabs"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{775a2b49-0cb6-4745-8b61-5ae7389a8ef8}"
    }
  }
}