Add variable support to Terraform examples

[mheap]

Renders as:

header_value = var.anthropic_api_key

This example requires the following variables to be added to your manifest. You can specify values at runtime by setting TF_VAR_name=value.

variable "anthropic_api_key" {
  type = string
}

Preview Links

/plugins/ai-proxy/examples/anthropic-chat-route/

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