Amazon coupons, find and apply automatically

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Amazon coupons, find and apply automatically",
  "version": "1.1.0",
  "description": "Use amazon coupons and save your money automatically",
  "host_permissions": [
    "*://*.amazon.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://*.amazon.com/*"
      ],
      "js": [
        "js/jquery.min.js",
        "js/functions.js"
      ],
      "all_frames": true
    }
  ],
  "action": {
    "default_icon": {
      "16": "images/note-2-16.png",
      "32": "images/note-2-32.png",
      "48": "images/note-2-48.png",
      "128": "images/note-2-128.png"
    }
  },
  "icons": {
    "16": "images/note-2-16.png",
    "32": "images/note-2-32.png",
    "48": "images/note-2-48.png",
    "128": "images/note-2-128.png"
  },
  "manifest_version": 3
}