Examine source code of Enigma, ChatGPT Sidebar

{
  "name": "Enigma, ChatGPT Sidebar",
  "version": "0.0.4",
  "manifest_version": 3,
  "description": "Enigma is a ChatGPT sidebar. Summarize any webpage using GPT, ChatGPT with fast response time, send highlighted text to ChatGPT.",
  "icons": {
    "48": "enigma-icon-m.png",
    "128": "enigma-icon-l.png"
  },
  "action": {
    "default_popup": "./index.html"
  },
  "permissions": [
    "contextMenus",
    "storage",
    "activeTab",
    "unlimitedStorage"
  ],
  "externally_connectable": {
    "matches": [
      "https://enigmalabs.site/*",
      "https://api.enigmalabs.site/*"
    ]
  },
  "background": {
    "type": "module",
    "scripts": [
      "./static/js/background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://*/*",
        "http://*/*"
      ],
      "js": [
        "./static/js/attach.js"
      ]
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "attach.css",
        "enigma-icon-m.png",
        "enigma-icon-l.png"
      ],
      "matches": [
        "https://*/*",
        "http://*/*"
      ]
    }
  ],
  "key": "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAmapMzta38DHWLHueD04s55/l57dcA1PexnbhMRp4LIT4R2neB/9DaaUWBPZIA1eShTGE86rp0CBIB6VVzMRZcLBICWwVA4LKHG7bsZX6LndE2UtnwpQaqGn1bI8Qv2asH05rh+IyrC3x/EBtxmWndze4HaY9uwAhz77jeaYAkBILuFeJxRMCa11hOtH7avGXYTPa72AzLhciOhYHvwE1xoR0TNLSP8GE2i6d0QNGnxi3Z8W3NjoEK0xeLc0XKoCDJnU3nH/twPdQxjR52EllliM1Pn1vtNEREgiU6JokdP/rpOvvJMXbMti8ghVGZ9v0QC8g8wNth0sIs6L6hH+l+wIDAQAB",
  "browser_specific_settings": {
    "gecko": {
      "id": "{61f7ef3e-1380-4031-b24f-5da39db7a9f2}"
    }
  }
}