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

internal/infra/stubs/zfs.go

@@ -0,0 +1,18 @@
+package stubs
+
+import (
+	"context"
+	"log"
+)
+
+type ZFSAdapter struct{}
+
+func (z *ZFSAdapter) ListPools(ctx context.Context) ([]string, error) {
+	log.Printf("zfs: ListPools (stub)")
+	return []string{"tank"}, nil
+}
+
+func (z *ZFSAdapter) CreatePool(ctx context.Context, name string, vdevs []string) error {
+	log.Printf("zfs: CreatePool %s (stub) vdevs=%v", name, vdevs)
+	return nil
+}