Medusa System Added

Read about the medusa system [here](https://nadekobot.readthedocs.io/en/latest/medusa/creating-a-medusa/)

src/NadekoBot/Modules/Administration/Self/SelfCommands.cs

@@ -1,4 +1,5 @@
 #nullable disable
+using Nadeko.Medusa;
 using NadekoBot.Modules.Administration.Services;
 using NadekoBot.Services.Database.Models;
 
@@ -19,13 +20,19 @@ public partial class Administration
 
         private readonly DiscordSocketClient _client;
         private readonly IBotStrings _strings;
+        private readonly IMedusaLoaderService _medusaLoader;
         private readonly ICoordinator _coord;
 
-        public SelfCommands(DiscordSocketClient client, IBotStrings strings, ICoordinator coord)
+        public SelfCommands(
+            DiscordSocketClient client,
+            IBotStrings strings,
+            ICoordinator coord,
+            IMedusaLoaderService medusaLoader)
         {
             _client = client;
             _strings = strings;
             _coord = coord;
+            _medusaLoader = medusaLoader;
         }
 
         [Cmd]
@@ -506,6 +513,7 @@ public partial class Administration
         public async partial Task StringsReload()
         {
             _strings.Reload();
+            await _medusaLoader.ReloadStrings();
             await ReplyConfirmLocalizedAsync(strs.bot_strings_reloaded);
         }
 

src/NadekoBot/Modules/Administration/Self/SelfService.cs

@@ -6,7 +6,7 @@ using System.Collections.Immutable;
 
 namespace NadekoBot.Modules.Administration.Services;
 
-public sealed class SelfService : ILateExecutor, IReadyExecutor, INService
+public sealed class SelfService : IExecNoCommand, IReadyExecutor, INService
 {
     private readonly CommandHandler _cmdHandler;
     private readonly DbService _db;
@@ -206,7 +206,7 @@ public sealed class SelfService : ILateExecutor, IReadyExecutor, INService
         => _pubSub.Pub(_guildLeaveKey, guildStr);
 
     // forwards dms
-    public async Task LateExecute(IGuild guild, IUserMessage msg)
+    public async Task ExecOnNoCommandAsync(IGuild guild, IUserMessage msg)
     {
         var bs = _bss.Data;
         if (msg.Channel is IDMChannel && bs.ForwardMessages && ownerChannels.Any())