added addrolereward and removerolereward events for .notify

added .notify with no params showing events with descriptions
added .winlb
updated discord.net, redid migrations

src/EllieBot/Db/EllieContext.cs

@@ -164,13 +164,18 @@ public abstract class EllieContext : DbContext
 
         #region UserBetStats
 
-        modelBuilder.Entity<UserBetStats>()
-                    .HasIndex(x => new
-                    {
-                        x.UserId,
-                        x.Game
-                    })
-                    .IsUnique();
+        modelBuilder.Entity<UserBetStats>(ubs =>
+        {
+            ubs.HasIndex(x => new
+            {
+                x.UserId,
+                x.Game
+            })
+               .IsUnique();
+
+            ubs.HasIndex(x => x.MaxWin)
+               .IsUnique(false);
+        });
 
         #endregion