Examine source code of Handla Smart

{
  "description": "Handla Smart är ett tillägg som hjälper dig att handla med Sponsorhuset",
  "name": "Handla Smart",
  "version": "4.0.3",
  "content_scripts": [
    {
      "js": [
        "src/entries/contentScript/main.js"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "icons": {
    "48": "icons/logo.png",
    "128": "icons/logo.png"
  },
  "permissions": [
    "storage",
    "activeTab",
    "alarms",
    "tabs",
    "*://*/*"
  ],
  "background": {
    "persistent": true,
    "page": "background.html"
  },
  "browser_action": {
    "default_icon": {
      "48": "icons/logo.png",
      "128": "icons/logo.png"
    },
    "default_popup": "src/entries/popup/index.html"
  },
  "manifest_version": 2,
  "web_accessible_resources": [
    "assets/Campaign-BDgWpExk.css",
    "assets/Campaign-BOGLnJ0j.js",
    "assets/LogoSmall-Bauy3Iod.png",
    "assets/match-_DY7obN8.js",
    "assets/src/entries/contentScript/main-rLe0mBqG.js"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{3b49876a-309d-4f97-ba59-898e585bbd63}"
    }
  }
}