Add license to files

vite.config.js

@@ -1,12 +1,28 @@
-import { defineConfig } from 'vite'
-import reactRefresh from '@vitejs/plugin-react-refresh'
+/*
+Copyright 2021 New Vector Ltd
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+import { defineConfig } from "vite";
+import reactRefresh from "@vitejs/plugin-react-refresh";
 
 // https://vitejs.dev/config/
 export default defineConfig({
   plugins: [reactRefresh()],
   server: {
     proxy: {
-      '/_matrix': 'http://localhost:8080'
-    }
-  }
-})
+      "/_matrix": "http://localhost:8080",
+    },
+  },
+});