very basic & hackish edit history dialog

res/css/views/dialogs/_MessageEditHistoryDialog.scss

@@ -0,0 +1,38 @@
+/*
+Copyright 2019 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.
+*/
+
+.mx_MessageEditHistoryDialog ul {
+    list-style-type: none;
+
+    &>li.edit {
+        display: flex;
+
+        &>strong {
+            flex: 0 0 100px;
+            font-weight: bold;
+        }
+
+        &>p {
+
+        }
+
+    }
+
+    ul, ol {
+        list-style-type: circle;
+    }
+}
+