added a notes file for important running stuff

Create working for tenant and added in efcore and data layer

Emergence.services/Interfaces/IService.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Emergence.services.Interface
+{
+    public interface IService<T, I> where T : class
+    {
+        public Task<IEnumerable<T>> GetAllAsync();
+        public Task<T> GetByIdAsync(I id);
+
+        public Task<T> CreateAsync(T tenant);
+    }
+}