Examine source code of FarsiCP

{
  "manifest_version": 2,
  "name": "FarsiCP",
  "version": "1.2.1resigned1",
  "description": "translate competitive programming problems",
  "permissions": [
    "*://*.github.io/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://codeforces.com/*"
      ],
      "js": [
        "codeforces.js"
      ]
    },
    {
      "matches": [
        "*://projecteuler.net/*"
      ],
      "js": [
        "projecteuler.js"
      ]
    },
    {
      "matches": [
        "*://cp-algorithms.com/*"
      ],
      "js": [
        "cpalgo.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{4d4a7dd9-fd86-46fc-8841-1e62bf9cac04}"
    }
  }
}