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/CharadesWordListEntity.cs

@@ -0,0 +1,46 @@
+namespace DorkNet.Server.Data.Entities;
+
+/// <summary>
+/// One admin-authored 3D Charades word list. The March 2023 client
+/// pulls a deck at card-box spawn time from
+/// <c>api/activities/charades/v1/words/{source}</c>, where
+/// <c>{source}</c> is one of three baked <c>CardBox.cardSource</c>
+/// slots — <c>Charades</c>, <c>CharadesAprilFoolsDay</c>, or
+/// <c>Icebreakers</c> (verified in the 2023.03.21 il2cpp dump:
+/// <c>GEFMIBEPMKJ.EODJJDILECA</c>). The game itself only ever requests
+/// those three ids.
+///
+/// To let admins keep an unlimited library and freely switch which list
+/// each slot serves, every list is a row here (name + words), and the
+/// live slot→list binding lives in
+/// <see cref="ServerSettingsEntity.CharadesSlotBindingsJson"/>. This is
+/// the same admin-editable-collection shape as
+/// <see cref="LoadingScreenTipEntity"/>: a plain entity CRUD'd from the
+/// SPA, created on existing DBs via the idempotent bootstrap (it
+/// post-dates the consolidated Initial migration).
+/// </summary>
+public class CharadesWordListEntity
+{
+    public long Id { get; set; }
+
+    /// <summary>Admin-facing display name, e.g. "Default", "Movie night",
+    /// "April Fools". Not sent to the client.</summary>
+    public string Name { get; set; } = string.Empty;
+
+    /// <summary>Serialized <c>List&lt;CharadesWord&gt;</c> — each entry is
+    /// <c>{ Text, Difficulty }</c>. <c>Text</c> becomes the wire
+    /// <c>EN_US</c> field; <c>Difficulty</c> is the client
+    /// <c>CNMMMNJJDMM</c> enum (0 easy, 1 hard, 10 very hard, 20
+    /// icebreaker). Stored as JSON so a list can grow to hundreds of
+    /// cards without a child table.</summary>
+    public string WordsJson { get; set; } = "[]";
+
+    /// <summary>True for the lists seeded on first boot (Default /
+    /// April Fools / Icebreakers). Purely informational — admins may
+    /// still rename, edit, or delete them; it only gates the one-time
+    /// seed so we don't duplicate them every startup.</summary>
+    public bool IsBuiltIn { get; set; }
+
+    public DateTime CreatedAt { get; set; } = DateTime.UtcNow;
+    public DateTime UpdatedAt { get; set; } = DateTime.UtcNow;
+}

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;
 }