Add initial Go server skeleton with HTTP handlers, middleware, job runner, and stubs

internal/infra/stubs/nfs.go

@@ -0,0 +1,18 @@
+package stubs
+
+import (
+	"context"
+	"log"
+)
+
+type NFSAdapter struct{}
+
+func (n *NFSAdapter) ListExports(ctx context.Context) ([]string, error) {
+	log.Println("nfs: ListExports (stub)")
+	return []string{"/export/data"}, nil
+}
+
+func (n *NFSAdapter) CreateExport(ctx context.Context, path string) error {
+	log.Printf("nfs: CreateExport path=%s (stub)", path)
+	return nil
+}