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

.editorconfig

@@ -1,16 +1,8 @@
+#   Copyright 2024 New Vector Ltd.
 #   Copyright 2017 Aviral Dasgupta
-#
-#   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.
 
 root = true