Examine source code of CodeForces Input Copier

{
  "manifest_version": 2,
  "name": "CodeForces Input Copier",
  "version": "0.13resigned1",
  "description": "Extension to copy codeforces input to clipboard",
  "icons": {
    "64": "icon.png",
    "128": "icon128.png",
    "300": "icon300.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.codeforces.com/*"
      ],
      "js": [
        "jquery-3.2.1.min.js",
        "codeforces.js"
      ]
    }
  ],
  "browser_action": {
    "default_icon": "icon.png",
    "default_title": "CodeForces input copier"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{cbe5a97a-4ab3-40ee-a263-e2c642f903e1}"
    }
  }
}