Add AGPL and commercial license

- Add AGPL and commercial license
- update package.json
- add licence section in readme

LICENSE

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LICENSE-COMMERCIAL

+Licensees holding a valid commercial license with Element may use this
+software in accordance with the terms contained in a written agreement
+between you and Element.
+
+To purchase a commercial license please contact our sales team at
+licensing@element.io
\ No newline at end of file

README.md

@@ -91,3 +91,16 @@ $ curl --data '{ "uses_allowed": 50 }' -H 'Authorization: Bearer YOUR_ADMIN_TOKE
 
 Note that you can use `uses_allowed` to set how many chatterbox users can register via this token before no more will be permitted.
 You can then use the value of `token` in the response inside your `config.json`.
+
+## Copyright & License
+
+Copyright (c) 2020 The Matrix.org Foundation C.I.C.
+
+Copyright (c) 2025 New Vector Ltd
+
+This software is multi licensed by New Vector Ltd (Element). It can be used either:
+
+(1) for free under the terms of the GNU Affero General Public License (as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version); OR
+
+(2) under the terms of a paid-for Element Commercial License agreement between you and Element (the terms of which may vary depending on what you and Element have agreed to).
+Unless required by applicable law or agreed to in writing, software distributed under the Licenses is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the Licenses for the specific language governing permissions and limitations under the Licenses.

package.json

@@ -4,7 +4,7 @@
   "description": "Chatterbox lets you securely embed the Hydrogen matrix client on any website!",
   "repository": "git@github.com:vector-im/chatterbox.git",
   "author": "matrix.org",
-  "license": "Apache-2.0",
+  "license": "SEE LICENSE IN README.md",
   "scripts": {
     "start": "vite --port 5400",
     "build": "tsc && vite build && vite build --config parent-vite.config.js && scripts/after-build.sh",