init: 初始化 AssetX 项目仓库

包含 webapp（Next.js 用户端）、webapp-back（Go 后端）、
antdesign（管理后台）、landingpage（营销落地页）、
数据库 SQL 和配置文件。

webapp/components/Providers.tsx

@@ -0,0 +1,40 @@
+"use client";
+
+import { HeroUIProvider } from "@heroui/react";
+import { AppProvider } from "@/contexts/AppContext";
+import { WagmiProvider } from 'wagmi'
+import { QueryClient, QueryClientProvider } from '@tanstack/react-query'
+import { ReactNode, useState } from "react";
+import { config } from '@/lib/wagmi'
+import { Toaster } from "sonner";
+import { useContractRegistry } from '@/hooks/useContractRegistry'
+
+// Populates the dynamic contract registry from /api/contracts.
+// Must be inside QueryClientProvider.
+function ContractRegistryInit() {
+  useContractRegistry()
+  return null
+}
+
+export function Providers({ children }: { children: ReactNode }) {
+  const [queryClient] = useState(() => new QueryClient())
+
+  return (
+    <WagmiProvider config={config}>
+      <QueryClientProvider client={queryClient}>
+        <ContractRegistryInit />
+        <HeroUIProvider>
+          <AppProvider>
+            <Toaster
+              position="top-right"
+              richColors
+              closeButton
+              duration={4000}
+            />
+            {children}
+          </AppProvider>
+        </HeroUIProvider>
+      </QueryClientProvider>
+    </WagmiProvider>
+  );
+}