added a notes file for important running stuff

Create working for tenant and added in efcore and data layer

Emergence.data/Contexts/AdminDbContext.cs

@@ -0,0 +1,33 @@
+using Emergence.data.Models;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+
+
+namespace Emergence.data.Contexts
+{
+    public class AdminDbContext : DbContext
+    {
+        public AdminDbContext() : base()
+        {
+
+        }
+
+        public AdminDbContext(DbContextOptions<AdminDbContext> options) : base(options) { 
+        }
+
+        protected override void OnModelCreating(ModelBuilder builder)
+        {
+            base.OnModelCreating(builder);
+        }
+
+        protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
+        {
+            optionsBuilder.UseSeeding((context, _) =>
+            {
+                context.SaveChanges();
+            });
+        }
+
+        public DbSet<Tenant> Tenant { get; set; }
+    }
+}