fix: order list starts

web/src/components/MemoContent/List.tsx

 import clsx from "clsx";
+import { head } from "lodash-es";
 import React from "react";
 import { ListNode_Kind, Node, NodeType } from "@/types/proto/api/v1/markdown_service";
 import Renderer from "./Renderer";
@@ -14,7 +15,7 @@ const List: React.FC<Props> = ({ kind, indent, children }: Props) => {
   let prevNode: Node | null = null;
   let skipNextLineBreakFlag = false;
 
-  const getListContainer = (kind: ListNode_Kind) => {
+  const getListContainer = () => {
     switch (kind) {
       case ListNode_Kind.ORDERED:
         return "ol";
@@ -27,13 +28,26 @@ const List: React.FC<Props> = ({ kind, indent, children }: Props) => {
     }
   };
 
+  const getAttributes = () => {
+    if (kind === ListNode_Kind.ORDERED) {
+      const firstChild = head(children);
+      if (firstChild?.type === NodeType.ORDERED_LIST_ITEM) {
+        return {
+          start: firstChild.orderedListItemNode?.number,
+        };
+      }
+    }
+    return {};
+  };
+
   return React.createElement(
-    getListContainer(kind),
+    getListContainer(),
     {
       className: clsx(
         `list-inside ${kind === ListNode_Kind.ORDERED ? "list-decimal" : kind === ListNode_Kind.UNORDERED ? "list-disc" : "list-none"}`,
         indent > 0 ? `pl-${2 * indent}` : "",
       ),
+      ...getAttributes(),
     },
     children.map((child, index) => {
       if (prevNode?.type !== NodeType.LINE_BREAK && child.type === NodeType.LINE_BREAK && skipNextLineBreakFlag) {