Examine source code of PointsPay Shopping Assistant

{
  "name": "PointsPay Shopping Assistant",
  "short_name": "Shopping Assistant",
  "version": "1.0.2",
  "manifest_version": 2,
  "description": "Your shopping just got easier with the PointsPay Shopping Assistant.",
  "homepage_url": "https://pointspay.com/index.php/pointspay-shopping-assistant",
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "background": {
    "scripts": [
      "js/jquery/jquery.js",
      "src/bg/background.js"
    ],
    "persistent": true
  },
  "permissions": [
    "notifications",
    "tabs",
    "storage",
    "https://*/*",
    "http://*/*"
  ],
  "web_accessible_resources": [
    "/src/inject/templates/*"
  ],
  "browser_action": {
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png"
    },
    "default_title": "PointsPay Shopping Assistant"
  },
  "content_scripts": [
    {
      "matches": [
        "https://*/*",
        "http://*/*"
      ],
      "css": [
        "js/selectric/selectric.css",
        "src/inject/inject.css"
      ],
      "js": [
        "js/jquery/jquery.js",
        "js/selectric/jquery.selectric.min.js",
        "js/draggabilly.pkgd.min.js",
        "js/decimal-separator.js",
        "js/async.min.js",
        "src/inject/math.js",
        "src/inject/inject.js"
      ]
    }
  ]
}