feat(security): add internal secret handling and Redis integration for bot events

modules/api/src/main/scala/de/nowchess/api/dto/PlayerInfoDto.scala

@@ -1,3 +1,5 @@
 package de.nowchess.api.dto
 
-final case class PlayerInfoDto(id: String, displayName: String)
+import de.nowchess.api.player.PlayerType
+
+final case class PlayerInfoDto(id: String, displayName: String, playerType: PlayerType)

modules/api/src/main/scala/de/nowchess/api/player/PlayerInfo.scala

@@ -23,4 +23,10 @@ object PlayerId:
 final case class PlayerInfo(
     id: PlayerId,
     displayName: String,
+    playerType: PlayerType = PlayerType.Human,
 )
+
+enum PlayerType:
+  case Human
+  case OfficialBot
+  case Bot