add inventory endpoint

src/inventory/routes.rs

@@ -0,0 +1,13 @@
+use axum::{
+    routing::{get, put, post},
+    Router,
+};
+
+use crate::{inventory::handler::*, utils::db_pool::AppState};
+
+pub fn inventory_routes() -> Router<AppState> {
+
+    Router::new()
+        .route("/update_item/{item_id}/{item_amount}", put(update_inventory_item))
+        .route("/add_item/{item_name/{items_amount}", post(create_inventory_item))
+}