chore: adjust file structure

src/client/axios.ts

@@ -1,6 +1,6 @@
 import axios from "axios"
 
-const apiClient = axios.create({
+const axiosInstance = axios.create({
   baseURL: import.meta.env.VITE_API_BASE_URL ?? "/api",
   timeout: 10000,
   headers: {
@@ -8,7 +8,7 @@ const apiClient = axios.create({
   },
 })
 
-apiClient.interceptors.request.use((config) => {
+axiosInstance.interceptors.request.use((config) => {
   const token = localStorage.getItem("auth-token")
   if (token) {
     config.headers.Authorization = `Bearer ${token}`
@@ -16,7 +16,7 @@ apiClient.interceptors.request.use((config) => {
   return config
 })
 
-apiClient.interceptors.response.use(
+axiosInstance.interceptors.response.use(
   (response) => response,
   (error) => {
     if (error.response?.status === 401) {
@@ -27,4 +27,4 @@ apiClient.interceptors.response.use(
   }
 )
 
-export default apiClient
+export default axiosInstance