feat(component): implement Sequential ujsx component

src/component/index.ts

@@ -1 +1,2 @@
-export {};
+export { Sequential } from "./sequential.js";
+export type { SequentialProps } from "./sequential.js";

src/component/sequential.ts

@@ -1 +1,18 @@
-export {};
+import type { UElement, UNode } from "@alkdev/ujsx";
+
+export interface SequentialProps {
+  id?: string;
+}
+
+function Sequential(props: SequentialProps & { children?: UNode[] }): UElement {
+  const { id, children } = props;
+  return {
+    type: "sequential",
+    props: id !== undefined ? { id } : {},
+    children: children ?? [],
+  };
+}
+
+Sequential.displayName = "Sequential";
+
+export { Sequential };