Restructured folders and project names, ci should be fixed

src/NadekoBot/Common/Attributes/OwnerOnlyAttribute.cs

@@ -0,0 +1,19 @@
+using System;
+using System.Threading.Tasks;
+using Discord.Commands;
+using NadekoBot.Core.Services;
+using Microsoft.Extensions.DependencyInjection;
+
+namespace NadekoBot.Common.Attributes
+{
+    [AttributeUsage(AttributeTargets.Method | AttributeTargets.Class)]
+    public sealed class OwnerOnlyAttribute : PreconditionAttribute
+    {
+        public override Task<PreconditionResult> CheckPermissionsAsync(ICommandContext context, CommandInfo executingCommand, IServiceProvider services)
+        {
+            var creds = services.GetService<IBotCredentials>();
+
+            return Task.FromResult((creds.IsOwner(context.User) || context.Client.CurrentUser.Id == context.User.Id ? PreconditionResult.FromSuccess() : PreconditionResult.FromError("Not owner")));
+        }
+    }
+}