Examine source code of Discord Redirect

{
  "manifest_version": 3,
  "name": "Custom Discord Redirect",
  "version": "1.0",
  "description": "Redirects Discord channel links to the desktop app",
  "permissions": [
    "tabs"
  ],
  "host_permissions": [
    "https://discord.com/*"
  ],
  "background": {
    "service_worker": "background.js",
    "scripts": [
      "background.js"
    ]
  },
  "icons": {
    "16": "images/icon16.png",
    "32": "images/icon32.png",
    "48": "images/icon48.png",
    "128": "images/icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "custom-discord-redirect@example.com",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}