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

internal/infra/stubs/samba.go

@@ -0,0 +1,18 @@
+package stubs
+
+import (
+	"context"
+	"log"
+)
+
+type SambaAdapter struct{}
+
+func (s *SambaAdapter) ListShares(ctx context.Context) ([]string, error) {
+	log.Println("samba: ListShares (stub)")
+	return []string{"share1"}, nil
+}
+
+func (s *SambaAdapter) CreateShare(ctx context.Context, name, path string) error {
+	log.Printf("samba: CreateShare name=%s path=%s (stub)", name, path)
+	return nil
+}