Add quality survey at the end of the call (#1084)

Signed-off-by: Timo K <toger5@hotmail.de>
Co-authored-by: Robin <robin@robin.town>

src/input/FeedbackInput.module.css

@@ -0,0 +1,23 @@
+/*
+Copyright 2023 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.
+*/
+
+.feedback textarea {
+  height: 75px;
+  border-radius: 8px;
+}
+.feedback {
+  border-radius: 8px;
+}