chore: 并入 iotlcm-app 历史到 app/（原提交 f40bda9）

app/server/internal/library/xgen/gen_view/gohtml/element.go

@@ -0,0 +1,12 @@
+// package gohtml
+// @Link  https://github.com/xiujiecn/xiu-admin
+// @Copyright  Copyright (c) 2025 LiXiujie
+// @Author  Lxj <li@example.com>
+// @License  https://github.com/xiujiecn/xiu-admin/blob/master/LICENSE
+package gohtml
+
+// An element represents an HTML element.
+type element interface {
+	isInline() bool
+	write(*formattedBuffer, bool) bool
+}