Implemeted Display trait for Category enum

backend/src/main.rs

@@ -1,10 +1,17 @@
+mod handlers;
 mod models;
+mod router;
 use axum::{Router, routing};
 use dotenv::dotenv;
 use models::*;
+use router::create_router;
 use serde::{Deserialize, Serialize};
 use sqlx::{PgPool, postgres::PgPoolOptions};
 
+pub struct AppState {
+    db: PgPool,
+}
+
 #[tokio::main]
 async fn main() {
     dotenv().ok();