Update roadmap with as-of-yet unsupported features

ROADMAP.md

@@ -74,6 +74,13 @@
     * [x] When added to chat
     * [x] When receiving message
   * [x] Direct chat creation by inviting Matrix puppet of KakaoTalk user to new room
+  * [ ] Open Chat creation by bot command
+    * [ ] Group Chat
+    * [ ] 1:1 Chat
+  * [ ] Open Chat settings management
+    * [ ] Public search
+    * [ ] Max number of participants
+    * [ ] Chatroom code
   * [x] Option to use own Matrix account for messages sent from other KakaoTalk clients
   * [ ] KakaoTalk friends list management
     * [x] List friends
@@ -82,8 +89,9 @@
       * [x] By Matrix puppet of KakaoTalk user
       * [ ] By phone number
     * [x] Remove friend
-    * [ ] Manage favourite friends
-    * [ ] Manage hidden friends
+    * [ ] Favourite friends
+    * [ ] Hidden friends
+    * [ ] Blocked users
   * [x] KakaoTalk ID management
     * [x] Set/Change ID
     * [x] Make ID searchable/hidden