Examine source code of Prime Game Claimer

{
  "name": "Prime Game Claimer",
  "description": "Automate claiming of Prime Gaming rewards.",
  "manifest_version": 2,
  "icons": {
    "24": "icons/32.png"
  },
  "content_scripts": [
    {
      "js": [
        "content.js"
      ],
      "matches": [
        "https://gaming.amazon.com/*"
      ]
    }
  ],
  "permissions": [
    "activeTab",
    "webNavigation",
    "tabs",
    "https://gaming.amazon.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_title": "Start Claiming"
  },
  "version": "1.0",
  "content_security_policy": "script-src 'self'; object-src 'self';",
  "browser_specific_settings": {
    "gecko": {
      "id": "{8037a9de-1726-4bdb-80a6-70c49cd73951}"
    }
  }
}