fixup to: schemeshard: add system names/prefixes protection

Author: ijon

ydb/core/tx/schemeshard/schemeshard_system_names.cpp

@@ -36,9 +36,15 @@ const TVector<TString> ReservedPrefixes = {
 // Temporary exceptions from the ReservedNames (note: no prefix exceptions).
 // The goal is to have no exceptions.
 const TVector<TString> ReservedNamesExceptions = {
+    // external agent checking liveness of the database creates this directory
     ".sys_health",
+    // sqs/yqm employs schema objects starting with dot
+    ".AtomicCounter",
+    ".Events",
     ".Queues",
-    //TODO: add other yqm objects starting with dot
+    ".Quoter",
+    ".RemovedQueues",
+    ".Settings",
 };
 
 bool CheckReservedNameImpl(const TString& name, bool isSystemUser, bool isAdministrator, TString& explain) {