Added .autopublish command

src/NadekoBot/Db/Models/AutoPublishChannel.cs

@@ -0,0 +1,9 @@
+using NadekoBot.Services.Database.Models;
+
+namespace NadekoBot.Db.Models;
+
+public class AutoPublishChannel : DbEntity
+{
+    public ulong GuildId { get; set; }
+    public ulong ChannelId { get; set; }
+}

src/NadekoBot/Db/NadekoContext.cs

@@ -464,6 +464,14 @@ public abstract class NadekoContext : DbContext
             });
 
         #endregion
+        
+        #region AutoPublish
+
+        modelBuilder.Entity<AutoPublishChannel>(apc => apc
+            .HasIndex(x => x.GuildId)
+            .IsUnique());
+
+        #endregion
     }
 
 #if DEBUG