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

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

@@ -0,0 +1,12 @@
+using Lib.Architecture.BuildingBlocks;
+
+namespace Core.Thalos.Application.UseCases.Tenants.Input
+{
+    public class GetAllTenantsRequest : ICommand
+    {
+        public bool Validate()
+        {
+            return true;
+        }
+    }
+}