feat: fs tree component

fs-tree-view/components/icon.tsx

@@ -0,0 +1,34 @@
+import React from "react";
+import PropTypes from "prop-types";
+import { FolderOutlined,FolderOpenOutlined,FileTextOutlined,SearchOutlined,CloseOutlined,LoadingOutlined} from '@ant-design/icons';
+
+import { Node,NodeDict } from "./Tree/TreeNode";
+
+const FileIcon = (node:Node) => {
+  if (node.type === "file") {
+    return (
+        <FileTextOutlined />
+    );
+  }
+  return node.isOpen ?(<FolderOpenOutlined />):(<FolderOutlined />)
+};
+
+const SearchIcon = () => {
+  return <SearchOutlined />;
+};
+
+
+const CloseIcon = () => {
+  return <CloseOutlined />;
+};
+
+const LoadingIcon = ()=>{
+    return <LoadingOutlined />
+}
+
+export default {
+  file: FileIcon,
+  search: SearchIcon,
+  close: CloseIcon,
+  loading: LoadingIcon
+};