feat: echo post api endpoint

This endpoint responds with the body that was sent with the
post request

app/page.tsx

@@ -7,11 +7,16 @@ const bolt = createBoltClient<Handlers, typeof routes>(routes, {
 
 export default async function Home() {
   const { data: title } = await bolt("hello").get(routes.hello);
+  const { data: message } = await bolt("echo").post(
+    routes.echo,
+    "Hello from the client!"
+  );
 
   return (
     <main>
       <Welcome>
         <p className="mt-4">{title}</p>
+        <span>The server replied: {message}</span>
       </Welcome>
     </main>
   );

pages/api/bindings.ts

@@ -14,7 +14,13 @@ export interface Handlers {
   			isDynamic: false
 		},
 	},
-	mutations: {},
+	mutations: {
+		"echo": {
+  			output: string
+  			type: 'post'
+  			isDynamic: false
+		}
+	},
 }
 
 export const routes = {
@@ -26,4 +32,8 @@ export const routes = {
 		url: '/hello',
 		type: 'query',
 	},
+	"echo": {
+		url: '/echo',
+		type: 'post',
+	},
 } as const

pages/api/routes/echo.rs

@@ -0,0 +1,13 @@
+use rapid_web::actix::web::Bytes;
+use rapid_web::actix::HttpResponse;
+use rapid_web::rapid_web_codegen::rapid_handler;
+
+pub const ROUTE_KEY: &str = "echo";
+pub type RapidOutput = String;
+
+#[rapid_handler]
+pub async fn post(bytes: Bytes) -> HttpResponse {
+    let body = String::from_utf8(bytes.to_vec()).unwrap();
+    println!("Body: {}", &body);
+    HttpResponse::Ok().body(body)
+}