init app of test arena

asf-cloud-server/testarena/frontend/src/api.ts

@@ -0,0 +1,17 @@
+import axios from 'axios';
+
+const API_URL = import.meta.env.VITE_API_URL || 'http://localhost:8000';
+
+const api = axios.create({
+    baseURL: API_URL,
+});
+
+api.interceptors.request.use((config) => {
+    const token = localStorage.getItem('token');
+    if (token) {
+        config.headers.Authorization = `Bearer ${token}`;
+    }
+    return config;
+});
+
+export default api;