feat: refactor code and add new search functionality

src/handlers/hello.rs

@@ -1,15 +1,6 @@
-use actix_web::{get, post, HttpResponse, Responder};
+use actix_web::{get, HttpResponse, Responder};
 
 #[get("/")]
 pub async fn say_hello() -> impl Responder {
     HttpResponse::Ok().body("Hello world!")
-}
-
-#[post("/echo")]
-pub async fn echo(req_body: String) -> impl Responder {
-    HttpResponse::Ok().body(req_body)
-}
-
-pub async fn manual_hello() -> impl Responder {
-    HttpResponse::Ok().body("Hey there!")
 }