Add go-devops build system configuration for standardised
build, test, and release workflows across the Go ecosystem.
Co-Authored-By: Virgil <virgil@lethean.io>
Layered configuration management (defaults → file → env → flags) with
viper backend, YAML persistence via go-io Medium, and framework service.
Moved from forge.lthn.ai/core/go/pkg/config to standalone module.
Co-Authored-By: Virgil <virgil@lethean.io>