Examine source code of Discord Account Manager

{
  "manifest_version": 2,
  "name": "Discord Container Account Manager",
  "version": "1.2.0",
  "description": "A safer Discord account launcher using Firefox Container Tabs. It does not store passwords or tokens.",
  "permissions": [
    "storage",
    "tabs",
    "cookies",
    "contextualIdentities",
    "https://discord.com/*"
  ],
  "browser_action": {
    "default_title": "Discord Accounts",
    "default_popup": "popup.html"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "discord-container-account-manager@example.local",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}