don't let the bot starts if any of the readys fails

src/EllieBot/Bot.cs

@@ -309,6 +309,8 @@ public sealed class Bot : IBot
                     "Failed running OnReadyAsync method on {Type} type: {Message}",
                     toExec.GetType().Name,
                     ex.Message);
+
+                Environment.Exit(9);
             }
         });
 

src/EllieBot/Db/Models/filter/FilterChannelId.cs

@@ -8,7 +8,7 @@ public class FilterChannelId
     [Key]
     public int Id { get; set; }
 
-    public int GuildFilterConfigId { get; set; }
+    public int? GuildFilterConfigId { get; set; }
 
     public ulong ChannelId { get; set; }
 

src/EllieBot/Db/Models/filter/FilterLinksChannelId.cs

@@ -3,7 +3,7 @@ namespace EllieBot.Db.Models;
 public class FilterLinksChannelId : DbEntity
 {
     public ulong ChannelId { get; set; }
-    public int GuildFilterConfigId { get; set; }
+    public int? GuildFilterConfigId { get; set; }
 
     protected bool Equals(FilterLinksChannelId other)
         => ChannelId == other.ChannelId;

src/EllieBot/Db/Models/filter/FilterWordsChannelId.cs

@@ -3,7 +3,7 @@ namespace EllieBot.Db.Models;
 
 public class FilterWordsChannelId : DbEntity
 {
-    public int GuildFilterConfigId { get; set; }
+    public int? GuildFilterConfigId { get; set; }
     public ulong ChannelId { get; set; }
 
     protected bool Equals(FilterWordsChannelId other)

src/EllieBot/Db/Models/filter/FilteredWord.cs

@@ -2,10 +2,10 @@ namespace EllieBot.Db.Models;
 
 public class FilteredWord : DbEntity
 {
-    public int GuildFilterConfigId { get; set; }
-    public string Word { get; set; } = string.Empty;
+    public int? GuildFilterConfigId { get; set; }
+    public string? Word { get; set; }
 
     public override bool Equals(object? obj) => obj is FilteredWord fw && fw.Word == Word;
-    
+
     public override int GetHashCode() => Word.GetHashCode();
 }

src/EllieBot/Db/Models/xp/ExcludedItem.cs

@@ -2,7 +2,7 @@
 
 public class ExcludedItem : DbEntity
 {
-    public int XpSettingsId { get; set; }
+    public int? XpSettingsId { get; set; }
     public ulong ItemId { get; set; }
     public ExcludedItemType ItemType { get; set; }