Examine source code of K-Tribes

{
  "name": "K-Tribes",
  "version": "1.10",
  "description": "By downloading the K Tribes extension, you will earn rewards and K Tribes will donate money to your local community for each extension installation",
  "manifest_version": 2,
  "browser_action": {
    "default_popup": "index.html",
    "default_icon": {
      "16": "assets/icons/16.png",
      "24": "assets/icons/24.png",
      "32": "assets/icons/32.png",
      "48": "assets/icons/48.png",
      "128": "assets/icons/128.png"
    },
    "default_title": "K Tribes"
  },
  "permissions": [
    "storage",
    "alarms",
    "history"
  ],
  "background": {
    "persistent": false,
    "scripts": [
      "background.js",
      "runtime.js",
      "aws.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.mozilla.org/*"
      ],
      "js": [
        "background.js",
        "runtime.js",
        "aws.js"
      ]
    }
  ],
  "icons": {
    "16": "assets/icons/16.png",
    "24": "assets/icons/24.png",
    "32": "assets/icons/32.png",
    "48": "assets/icons/48.png",
    "128": "assets/icons/128.png"
  },
  "content_security_policy": "script-src 'self' https://example.com; object-src 'self'",
  "browser_specific_settings": {
    "gecko": {
      "id": "community@ktribes.com"
    }
  }
}