feat: initialize TJWater WebGIS frontend

src/app/app.tsx

@@ -0,0 +1,12 @@
+import { MapToaster } from "@/features/map/core/components/notice";
+import { MapWorkbenchPage } from "@/features/workbench";
+import { AppProviders } from "./providers";
+
+export function App() {
+  return (
+    <AppProviders>
+      <MapWorkbenchPage />
+      <MapToaster />
+    </AppProviders>
+  );
+}