Merge branch 'v5' of https://gitlab.com/kwoth/nadekobot into v5

src/NadekoBot/Db/NadekoContext.cs

@@ -238,10 +238,11 @@ public abstract class NadekoContext : DbContext
           .HasForeignKey<ClubInfo>(x => x.OwnerId)
           .OnDelete(DeleteBehavior.SetNull);
 
-        ci.HasAlternateKey(x => new
-        {
-            x.Name
-        });
+        ci.HasIndex(x => new
+          {
+              x.Name
+          })
+          .IsUnique();
 
         #endregion