Examine source code of Discord Token

{
  "manifest_version": 2,
  "name": "Discord Token Login",
  "version": "1.0.2",
  "description": "Logging into a Discord account using a token, made easier. and opensource",
  "icons": {
    "128": "logo.png"
  },
  "browser_action": {
    "default_popup": "index.html",
    "default_icon": "logo.png"
  },
  "background": {
    "scripts": [
      "script.js"
    ],
    "persistent": true
  },
  "permissions": [
    "http://*.discord.com/*",
    "https://*.discord.com/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "mayla@coffe.io",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}