Database in work. Added connection pool, etc

server/src/main/kotlin/commands/MinByNameCommand.kt

@@ -1,6 +1,6 @@
 package commands
 
-import collection.CollectionManager
+import database.Repository
 import kotlinx.serialization.Contextual
 import kotlinx.serialization.Serializable
 import models.HumanBeing
@@ -10,7 +10,7 @@ import network.Response
  * Выводит любой элемент с минимальным значением поля [HumanBeing.name].
  */
 @Serializable
-class MinByNameCommand(@Contextual private val manager: CollectionManager) : Command {
+class MinByNameCommand(@Contextual private val manager: Repository) : Command {
     override val name = "min_by_name"
     override val description = "вывести элемент с минимальным именем"
     override val type = CommandType.SIMPLE