[taskboard] migrate fleet console to nextjs

app/api/wiki/route.ts

@@ -0,0 +1,17 @@
+import { NextResponse } from "next/server";
+
+import { createWikiPage, listWikiPages } from "@/lib/wiki";
+
+export async function GET() {
+  return NextResponse.json(listWikiPages());
+}
+
+export async function POST(request: Request) {
+  const payload = (await request.json()) as { title?: string };
+  if (!payload.title) {
+    return NextResponse.json({ error: "title_is_required" }, { status: 400 });
+  }
+
+  const filename = createWikiPage(payload.title);
+  return NextResponse.json({ filename, success: true }, { status: 201 });
+}