added ticket route and query key

frontend/constants/index.ts

@@ -34,6 +34,9 @@ export const API_ENDPOINTS = {
         get_all: "/products",
         categories: "/products/categories",
     },
+    tickets: {
+        get_all: "/tickets/",
+    },
 };
 
 export const QUERY_KEYS = {
@@ -47,6 +50,7 @@ export const QUERY_KEYS = {
     account: "account",
     categories: "categories",
     addresses: "addresses",
+    tickets: "tickets",
 };
 
 export const MUTATION_KEYS = {