Buy Localized - Made in USA filter on Amazon

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Buy Localized - Made in USA filter on Amazon",
  "description": "This extension will tag Amazon.com products with their country of origin ",
  "icons": {
    "16": "assets/imgs/buylocalizedicon16_darker.png",
    "48": "assets/imgs/buylocalizedicon48.png",
    "128": "assets/imgs/buylocalizedicon.png"
  },
  "version": "0.9.2.2",
  "background": {
    "scripts": [
      "assets/js/jquery-3.4.1.min.js",
      "assets/js/background.js"
    ],
    "persistent": false
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.amazon.com/*",
        "*://*.amazon.ca/*"
      ],
      "css": [
        "assets/css/bootstrap.css",
        "assets/slick/slick.css",
        "assets/slick/slick-theme.css",
        "assets/css/bootstrap-treeview.css",
        "assets/css/buylocalizedslider.css",
        "assets/css/searchbar.css",
        "assets/css/searchresults.css",
        "assets/css/show_more_results_button.css",
        "assets/css/animate.css"
      ],
      "js": [
        "assets/js/jquery-3.4.1.min.js",
        "assets/slick/slick.js",
        "assets/js/bootstrap-treeview.js",
        "assets/js/content.js",
        "assets/js/popup.js"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "https://*.buylocalized.com/*"
      ],
      "js": [
        "assets/js/jquery-3.4.1.min.js",
        "assets/js/content-bl.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "web_accessible_resources": [
    "assets/imgs/USA.svg",
    "assets/imgs/buylocalizedicon.png",
    "assets/imgs/icon2.png",
    "assets/imgs/icon3.png",
    "assets/imgs/icon3beta.png",
    "assets/imgs/search-dark.png",
    "assets/snippets/popover.html",
    "assets/snippets/searchbar.html",
    "assets/snippets/searchresults.html",
    "assets/snippets/searchresultitem.html",
    "assets/snippets/show_more_results_button.html",
    "assets/snippets/slideritem.html",
    "assets/localized/insert.html",
    "assets/localized/*"
  ],
  "browser_action": {
    "default_title": "Buy Localized!",
    "default_popup": "assets/snippets/popup.html",
    "default_icon": "assets/imgs/buylocalizedicon16_darker.png"
  },
  "permissions": [
    "storage"
  ],
  "options_page": "assets/snippets/options.html",
  "options_ui": {
    "page": "assets/snippets/options.html",
    "open_in_tab": false
  }
}