Enhances the Go SDK Makefile target to fix import paths in generated files and sets the correct Go module path. Updates go.json to use 'utils/sdk/client/go' for package, API, and model paths, and adds additional OpenAPI generator properties.
Added linguist-generated attribute for SDK clients in .gitattributes to hide them in GitHub diffs. Enhanced utils/sdk/Makefile with target-specific hooks, improved ignore file handling, and refined Go client build steps. Updated Go SDK config to use 'lthn' as package name and set isGoSubmodule property.
