Examine source code of Aussie Shopper

{
  "manifest_version": 2,
  "name": "Aussie Shopper",
  "short_name": "AU Shopper",
  "version": "1.5resigned1",
  "author": "Alaa Salman",
  "homepage_url": "https://github.com/alaasalman/aussie-shopper-firefox-extension",
  "description": "Offers helpful functions to aid in the Aussie shopping experience.",
  "icons": {
    "48": "icons/1f6d2-48.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.amazon.com/*"
      ],
      "js": [
        "shopper.js"
      ]
    }
  ],
  "applications": {
    "gecko": {
      "id": "{8f37edbd-cdf5-4d0a-84af-d277f3f8bebd}"
    }
  },
  "options_ui": {
    "page": "options.html"
  },
  "permissions": [
    "storage"
  ]
}