Basic WebSocket implementaion

Downgrade to Socket.io 2.3.0

src/routes.ts

@@ -0,0 +1,17 @@
+import { NgModule } from "@angular/core";
+import { RouterModule, Routes } from "@angular/router";
+import { HelloComponent } from "./app/hello/hello.component";
+import { NotFoundComponent } from "./app/not-found/not-found.component";
+import { PayComponent } from "./app/pay/pay.component";
+
+const routes: Routes = [
+    { path: 'pay/:id', component: PayComponent, data: { title: 'Payment' } },
+    { path: '', component: HelloComponent },
+    { path: '**', component: NotFoundComponent }
+]
+
+@NgModule({
+    imports: [RouterModule.forRoot(routes)],
+    exports: [RouterModule]
+  })
+  export class AppRoutingModule {}