Add transform resolver wiring

internal/app/run.go

@@ -44,6 +44,7 @@ func runConfig(ctx context.Context, cfg config.Config, options RunOptions) error
 	summary := runSummary{dryRun: options.DryRun}
 	var failures runFailures
 	backends := newBackendFactory()
+	transforms := newTransformRegistry()
 	if options.Stdout != nil {
 		if _, err := fmt.Fprintf(options.Stdout, "Configured pipelines: %d\n", len(cfg.Pipelines)); err != nil {
 			return err
@@ -83,6 +84,7 @@ func runConfig(ctx context.Context, cfg config.Config, options RunOptions) error
 					DestinationBundlePath: sourceBundle.RootRelativePath,
 					Publish:               *destination.Publish,
 					Transform:             destination.Transform,
+					Transformers:          transforms,
 					Transfer:              destination.Transfer,
 					DistributorVersion:    Version,
 				}

internal/app/transforms.go

@@ -0,0 +1,12 @@
+package app
+
+import (
+	"gitea.maximumdirect.net/eric/distributor/internal/transform"
+	"gitea.maximumdirect.net/eric/distributor/internal/transform/markdown"
+)
+
+func newTransformRegistry() *transform.Registry {
+	registry := transform.NewRegistry()
+	_ = registry.Register(transform.MarkdownToHTML, markdown.New())
+	return registry
+}