### Configure Netbox provider with required_providers and provider block

Source: https://registry.terraform.io/providers/e-breuninger/netbox/latest/docs

Configure the Netbox provider with required provider block and provider configuration. Set server_url and api_token attributes; api_token supports v1 and v2 tokens, and can be set via NETBOX_API_TOKEN environment variable.

```hcl
terraform {
  required_providers {
    netbox = {
      source  = "e-breuninger/netbox"
      version = "~> 3.2.1"
    }
  }
}

# example provider configuration for https://demo.netbox.dev
provider "netbox" {
  server_url = "https://demo.netbox.dev"
  api_token  = "<your api key>"
}

```

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