Examine source code of BombcryptoClean

{
  "description": "Bombcrypto Clean",
  "manifest_version": 2,
  "name": "BombcryptoClean",
  "version": "1.0.0.1",
  "content_scripts": [
    {
      "matches": [
        "https://app.bombcrypto.io/"
      ],
      "js": [
        "bombcryptoclean.js"
      ]
    }
  ],
  "icons": {
    "48": "icons/fullscreen_black_48x48.png",
    "96": "icons/fullscreen_black_96x96.png"
  },
  "applications": {
    "gecko": {
      "id": "bombcryptoclean@maximumti.com.br",
      "strict_min_version": "48.0"
    }
  }
}