optional env variables required by convex

> @altie122studios/backend@0.0.0 dev C:\Users\altie\OneDrive\Documentos\code\web\Altie122-Studios\packages\backend
> convex dev

A patch update is available for Convex (1.31.2 → 1.31.7)
Changelog: https://github.com/get-convex/convex-js/blob/main/CHANGELOG.md#changelog
✖ Environment variable POLAR_DEBUG is used in auth config file but its value was not set.
Go to:

    https://dashboard.convex.dev/d/combative-dolphin-693/settings/environment-variables?var=POLAR_DEBUG

  to set it up. 

const polar = new Polar({
  accessToken: process.env.POLAR_ACCESS_TOKEN!,
  server: process.env.POLAR_SERVER! as "production" | "sandbox" | undefined,
});