Add axios library to frontend with base repository

frontend/src/config.js

@@ -0,0 +1 @@
+export const API_URL = "http://localhost:8000";

frontend/src/repository/Repository.js

@@ -0,0 +1,14 @@
+import axios from "axios"
+import { API_URL } from "../config";
+
+// Base URL used by all requests
+const baseUrl = API_URL;
+
+// Create the axios object
+const repo = axios.create({
+    baseURL: baseUrl,
+});
+
+repo.defaults.headers.post["access-control-allow-origin"] = "*";
+
+export default repo;