cli: remove multiple members (#5656)

* cli: remove multiple members

* accept all members joining via link as observers (do NOT release)

* blocked words

* blocked words

* XGrpLinkReject

* core: 6.3.0.6 (simplexmq 6.3.0.6)

---------

Co-authored-by: spaced4ndy <8711996+spaced4ndy@users.noreply.github.com>

simplex-chat.cabal

@@ -407,6 +407,7 @@ executable simplex-directory-service
   default-extensions:
       StrictData
   other-modules:
+      Directory.BlockedWords
       Directory.Events
       Directory.Options
       Directory.Search
@@ -427,6 +428,7 @@ executable simplex-directory-service
     , simplexmq >=6.3
     , stm ==2.5.*
     , time ==1.12.*
+    , unicode-transforms ==0.4.*
   default-language: Haskell2010
   if flag(client_postgres)
     cpp-options: -DdbPostgres
@@ -517,6 +519,7 @@ test-suite simplex-chat-test
     , stm ==2.5.*
     , terminal ==0.2.*
     , time ==1.12.*
+    , unicode-transforms ==0.4.*
     , unliftio ==0.2.*
   default-language: Haskell2010
   if flag(client_postgres)