Change license (#13)

* Copyright headers 1

* Licence headers 2

* Copyright Headers 3

* Copyright Headers 4

* Copyright Headers 5

* Copyright Headers 6

* Copyright headers 7

* Add copyright headers for html and config file

* Replace license files and update package.json

* Update with CLA

* lint

jest.config.ts

@@ -1,17 +1,9 @@
 /*
+Copyright 2024 New Vector Ltd.
 Copyright 2023 The Matrix.org Foundation C.I.C.
 
-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.
+SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only
+Please see LICENSE files in the repository root for full details.
 */
 
 import { env } from "process";