Examine source code of CodeSync

{
  "manifest_version": 3,
  "key": "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0XjwX1VMcCApIWJo4Sk/8h1VW4eaLOdHcxrld+1XC34F4RFAknDT0UNR+RIbfzjfACFF2suKizibRdtqkiKHXuIFlUbgK8FWH/T6MrX6Fh8Nr3daOtQqgXRdEO++KXR9/cBJqTo86a3Zs5RDCAtU3Gb8dZYb+RoOdHBesF6UvE7dfqFZlPLpkcxUth9pwiIoQj3naYQF0RyovuOwyVE1kVrzW3CVzFL7wxTN+OIcYGkcs5/t1mxohuVw8hyje5xSgeQRAOF9RkU2E51rYshZ8qOsUlrkByVripWzHIp7ncufotrMiiXBrJadkIR0PVqhC62DtHRcFnvLbhycdmFN6QIDAQAB",
  "name": "CodeSync Extension",
  "version": "1.1.3",
  "author": "orpheusdark",
  "browser_specific_settings": {
    "gecko": {
      "id": "code-sync@orpheusdark.com",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "description": "Automatically sync accepted coding platform solutions to GitHub.",
  "permissions": [
    "storage",
    "tabs",
    "activeTab",
    "identity"
  ],
  "host_permissions": [
    "https://leetcode.com/*",
    "https://*.leetcode.com/*",
    "https://practice.geeksforgeeks.org/*",
    "https://www.geeksforgeeks.org/*",
    "https://www.hackerrank.com/*",
    "https://hackerrank.com/*",
    "https://*.codingninjas.com/*",
    "https://*.naukri.com/*",
    "https://github.com/*",
    "https://code-sync-extension-backend.onrender.com/*"
  ],
  "background": {
    "service_worker": "background/index.js",
    "scripts": [
      "background/index.js"
    ],
    "type": "module"
  },
  "content_scripts": [
    {
      "matches": [
        "https://leetcode.com/*",
        "https://*.leetcode.com/*",
        "https://practice.geeksforgeeks.org/*",
        "https://www.geeksforgeeks.org/*",
        "https://www.hackerrank.com/*",
        "https://hackerrank.com/*",
        "https://*.codingninjas.com/*",
        "https://*.naukri.com/*"
      ],
      "js": [
        "content/index.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "action": {
    "default_title": "CodeSync",
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "32": "icons/icon32.png",
      "48": "icons/icon48.png"
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "options_page": "options.html",
  "web_accessible_resources": [
    {
      "resources": [
        "icons/platforms/*.svg",
        "icons/icon16.png",
        "icons/icon32.png",
        "icons/icon48.png",
        "icons/icon128.png"
      ],
      "matches": [
        "https://leetcode.com/*",
        "https://*.leetcode.com/*",
        "https://practice.geeksforgeeks.org/*",
        "https://www.geeksforgeeks.org/*",
        "https://www.hackerrank.com/*",
        "https://hackerrank.com/*",
        "https://*.codingninjas.com/*",
        "https://*.naukri.com/*"
      ]
    }
  ]
}