Added persistence for active chat ids which recovers actors during restart

build.sbt

@@ -25,10 +25,3 @@ lazy val `telegram-bot` = (project in file("telegram-bot"))
       circeAkkaHttp
     )
   )
-
-assemblyMergeStrategy in assembly := {
-  case PathList("META-INF", "io.netty.versions.properties") => MergeStrategy.first
-  case x =>
-    val oldStrategy = (assemblyMergeStrategy in assembly).value
-    oldStrategy(x)
-}