Examine source code of Smart Image Cleaner

{
  "name": "Smart Image Cleaner",
  "description": "AI powered background remover",
  "version": "1.2.0",
  "manifest_version": 2,
  "icons": {
    "16": "icons/16.png",
    "32": "icons/32.png",
    "48": "icons/48.png",
    "128": "icons/128.png"
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/16.png",
      "32": "icons/32.png",
      "48": "icons/48.png",
      "128": "icons/128.png"
    }
  },
  "permissions": [
    "contextMenus",
    "tabs",
    "http://*/",
    "https://*/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "web_accessible_resources": [
    "icons/16.png",
    "icons/32.png",
    "icons/48.png",
    "icons/128.png",
    "popup.html",
    "background.js"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{713a29ce-f9a2-4512-b7b6-ab83f4133cc5}"
    }
  }
}