Examine source code of Ryne - Batch Delete

{
  "name": "Ryne Toolkit",
  "description": "Adds quality of life features to ryne's humanizer and chat web pages. Better code formatting, Auto focus, Cleaner style, and more!",
  "version": "2.0.0",
  "manifest_version": 2,
  "browser_specific_settings": {
    "gecko": {
      "id": "ryne-batch-delete@bennnnzo.com"
    }
  },
  "permissions": [
    "storage",
    "tabs",
    "https://ryne.ai/*"
  ],
  "icons": {
    "16": "images/icon-16.png",
    "32": "images/icon-32.png",
    "48": "images/icon-48.png",
    "128": "images/icon-128.png"
  },
  "browser_action": {
    "default_popup": "/popup/index.html"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  }
}