Update conversation settings

lib/ui/screens/group_sections/group_conversation_section.dart

@@ -0,0 +1,36 @@
+import 'package:comunic/models/conversation.dart';
+import 'package:comunic/ui/routes/main_route/main_route.dart';
+import 'package:flutter/material.dart';
+
+import '../conversation_screen.dart';
+
+/// Group conversation section
+///
+/// @author Pierre Hubert
+
+class GroupConversationSection extends StatelessWidget {
+  final Conversation conv;
+
+  const GroupConversationSection({
+    Key key,
+    @required this.conv,
+  })  : assert(conv != null),
+        super(key: key);
+
+  @override
+  Widget build(BuildContext context) => Stack(
+        children: [
+          ConversationScreen(
+            conversationID: conv.id,
+          ),
+          Positioned(
+            right: 1.0,
+            child: IconButton(
+              icon: Icon(Icons.settings),
+              onPressed: () => MainController.of(context)
+                  .openConversationSettingsRoute(conv),
+            ),
+          )
+        ],
+      );
+}