first coomit

lib/persistence/persistence.go

@@ -0,0 +1,9 @@
+package persistence
+
+
+type DatabaseHandler interface {
+	AddPlayer(Player)([]byte,error)
+	FindPlayer([]byte)(Player,error)
+	FindPlayerByName(string)(Player,error)
+	FindAllAvailablePlayers()([]Player,error)
+}