Started work on guild embed colors

src/NadekoBot/Modules/Utility/GuildColors.cs

@@ -0,0 +1,39 @@
+using NadekoBot.Db.Models;
+
+namespace NadekoBot.Modules.Utility;
+
+public interface IGuildColorsService
+{
+    
+}
+
+public sealed class GuildColorsService : IGuildColorsService, INService
+{
+    private readonly DbService _db;
+
+    public GuildColorsService(DbService db)
+    {
+        _db = db;
+    }
+
+    public async Task<GuildColors?> GetGuildColors(ulong guildId)
+    {
+        // get from database and cache it with linq2db
+
+        await using var ctx = _db.GetDbContext();
+
+        return null;
+        // return await ctx
+        //     .GuildColors
+        //     .FirstOrDefaultAsync(x => x.GuildId == guildId);
+
+    }
+}
+
+public partial class Utility
+{
+    public class GuildColorsCommands : NadekoModule<IGuildColorsService>
+    {
+        
+    }
+}