Examine source code of soundcloud rus

{
  "manifest_version": 3,
  "name": "soundcloud rus",
  "version": "0.3.1008",
  "version_name": "0.3.1008 beta",
  "description": "русификатор для soundcloud. created by @cookiexzero",
  "icons": {
    "16": "icons/16_sc.png",
    "48": "icons/48_sc.png",
    "64": "icons/64_sc.png",
    "128": "icons/128_sc.png"
  },
  "permissions": [
    "scripting"
  ],
  "host_permissions": [
    "https://soundcloud.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://soundcloud.com/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "dict.json"
      ],
      "matches": [
        "https://soundcloud.com/*"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "ru_sc@cookiexzero",
      "strict_min_version": "91.1"
    }
  }
}