feat: run sqlx migrations automatically on startup

src/main.rs

@@ -35,6 +35,8 @@ async fn main() {
         }
     };
 
+    sqlx::migrate!().run(&pool).await.expect("Failed to run migrations");
+
     let jwt_secret = std::env::var("JWT_SECRET").expect("JWT_SECRET must be set!");
     let ip_addr: String = std::env::var("API_URL").expect("API_URL must be set!");
     let port: String = std::env::var("API_PORT").expect("API_PORT must be set!");