Add Charades word lists management, profanity filter, and matchmaking routes (#41)

* feat: add 3D Charades word lists management and profanity filter toggle

- Implemented Charades word lists management in the admin UI, allowing for unlimited named word lists with difficulty settings.
- Added functionality to bind live card slots to specific word lists, with automatic fallback to built-in lists.
- Introduced a profanity filter toggle in server settings, enabling or disabling the server-side profanity filter.
- Updated database schema to support new features, including additional columns for profanity filter status and charades slot bindings.
- Enhanced documentation to reflect new features and their usage.

* feat: add identityserver-signing.pfx to .gitignore

* feat: add new matchmake routes for player, event, club, and code

DorkNet.Server/Data/Entities/ServerSettingsEntity.cs

@@ -64,5 +64,23 @@ public class ServerSettingsEntity
     /// migration each time.</summary>
     public string DiscoveredGameConfigsJson { get; set; } = string.Empty;
 
+    /// <summary>When true, the server-side profanity filter behind
+    /// <c>api/sanitize/*</c> is bypassed — every string is treated as
+    /// clean and returned unmodified. Built for private friend servers
+    /// that don't want room/invention names or chat censored. Off by
+    /// default (filter active). See <see cref="Services.ProfanityFilter"/>
+    /// and <c>SanitizeController</c>.</summary>
+    public bool ProfanityFilterDisabled { get; set; }
+
+    /// <summary>Which charades word list (row id in
+    /// <see cref="CharadesWordListEntity"/>) is live for each of the
+    /// client's three baked card-source slots. JSON object keyed by the
+    /// client enum name — <c>{"Charades":id,"CharadesAprilFoolsDay":id,
+    /// "Icebreakers":id}</c>. Empty/0 or a dangling id falls back to the
+    /// list the seeder created for that slot. Lets admins keep an
+    /// unlimited library and switch which list a slot serves without a
+    /// redeploy.</summary>
+    public string CharadesSlotBindingsJson { get; set; } = string.Empty;
+
     public DateTime UpdatedAt { get; set; } = DateTime.UtcNow;
 }