implement keytoken list and all-messages list

flutter/lib/pages/channel_view/channel_view.dart

@@ -166,6 +166,7 @@ class _ChannelViewPageState extends State<ChannelViewPage> {
   }
 
   Widget _buildOwnedChannelView(BuildContext context, Channel channel) {
+    final userAccUserID = context.select<AppAuth, String?>((v) => v.userID);
     final isSubscribed = (subscription != null && subscription!.confirmed);
 
     return SingleChildScrollView(
@@ -208,6 +209,7 @@ class _ChannelViewPageState extends State<ChannelViewPage> {
                 Navi.push(context, () => ChannelMessageViewPage(channel: channel));
               },
             ),
+            if (channel.ownerUserID == userAccUserID) UI.button(text: "Delete Channel", onPressed: () {/*TODO*/}, color: Colors.red[900]),
           ],
         ),
       ),