feat: initialize Axum backend with core modules, routing, middleware, and security configurations.

Author: zerox80

backend/src/main.rs

@@ -19,8 +19,8 @@ use axum::http::{
     HeaderName, HeaderValue, Method,
 };
 use axum::{
-    extract::Request,
-    middleware::{self, Next},
+    extract::{DefaultBodyLimit, Request},
+    middleware::{self, from_extractor, from_fn, Next},
     response::Response,
     routing::{delete, get, post, put},
     Router,