Add tenant services, change id by _id and include delete endpoint for all entities

Core.Thalos.Application/UseCases/Tenants/Input/DeleteTenantRequest.cs

@@ -0,0 +1,13 @@
+using Lib.Architecture.BuildingBlocks;
+
+namespace Core.Thalos.Application.UseCases.Tenants.Input
+{
+    public class DeleteTenantRequest : Notificator, ICommand
+    {
+        public string _Id { get; set; }
+        public bool Validate()
+        {
+            return _Id != null;
+        }
+    }
+}