Restructure folders (#411)

protobuf/src/main.rs

@@ -1,35 +0,0 @@
-#[macro_use]
-extern crate prost_derive;
-
-use actix_protobuf::*;
-use actix_web::*;
-
-#[derive(Clone, PartialEq, Message)]
-pub struct MyObj {
-    #[prost(int32, tag = "1")]
-    pub number: i32,
-
-    #[prost(string, tag = "2")]
-    pub name: String,
-}
-
-async fn index(msg: ProtoBuf<MyObj>) -> Result<HttpResponse> {
-    println!("model: {:?}", msg);
-    HttpResponse::Ok().protobuf(msg.0) // <- send response
-}
-
-#[actix_web::main]
-async fn main() -> std::io::Result<()> {
-    std::env::set_var("RUST_LOG", "actix_web=debug,actix_server=info");
-    env_logger::init();
-
-    HttpServer::new(|| {
-        App::new()
-            .wrap(middleware::Logger::default())
-            .service(web::resource("/").route(web::post().to(index)))
-    })
-    .bind("127.0.0.1:8081")?
-    .shutdown_timeout(1)
-    .run()
-    .await
-}