Merge branch '1-service-skeleton' into 'main'

Initial service skeleton with health check endpoints

Closes #1

See merge request !1

internal/service/error_response.go

+package service
+
+import (
+	goahttp "goa.design/goa/v3/http"
+	goa "goa.design/goa/v3/pkg"
+
+	"code.vereign.com/gaiax/tsa/golib/errors"
+)
+
+func NewErrorResponse(err error) goahttp.Statuser {
+	if err == nil {
+		return nil
+	}
+
+	var newerr *errors.Error
+	switch e := err.(type) {
+	case *errors.Error:
+		newerr = e
+	case *goa.ServiceError:
+		// Use goahttp.ErrorResponse to determine error kind
+		goaerr := goahttp.NewErrorResponse(e)
+		kind := errors.GetKind(goaerr.StatusCode())
+		newerr = &errors.Error{
+			ID:      e.ID,
+			Kind:    kind,
+			Message: e.Message,
+			Err:     e,
+		}
+	default:
+		newerr = &errors.Error{
+			ID:      errors.NewID(),
+			Kind:    errors.Internal,
+			Message: e.Error(),
+			Err:     e,
+		}
+	}
+
+	return newerr
+}

internal/service/health/service.go

+package health
+
+import "context"
+
+type Service struct{}
+
+func New() *Service {
+	return &Service{}
+}
+
+func (s *Service) Liveness(ctx context.Context) error {
+	return nil
+}
+
+func (s *Service) Readiness(ctx context.Context) error {
+	return nil
+}