Add ban list window (#12574)

Content.Shared/Administration/BanList/BanListEuiState.cs

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+using Content.Shared.Eui;
+using Robust.Shared.Serialization;
+
+namespace Content.Shared.Administration.BanList;
+
+[Serializable, NetSerializable]
+public sealed class BanListEuiState : EuiStateBase
+{
+    public BanListEuiState(string banListPlayerName, List<SharedServerBan> bans)
+    {
+        BanListPlayerName = banListPlayerName;
+        Bans = bans;
+    }
+
+    public string BanListPlayerName { get; }
+    public List<SharedServerBan> Bans { get; }
+}

Content.Shared/Administration/BanList/SharedServerBan.cs

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+using Robust.Shared.Network;
+using Robust.Shared.Serialization;
+
+namespace Content.Shared.Administration.BanList;
+
+[Serializable, NetSerializable]
+public sealed record SharedServerBan(
+    int? Id,
+    NetUserId? UserId,
+    (string address, int cidrMask)? Address,
+    string? HWId,
+    DateTime BanTime,
+    DateTime? ExpirationTime,
+    string Reason,
+    string? BanningAdminName,
+    SharedServerUnban? Unban
+);

Content.Shared/Administration/BanList/SharedServerUnban.cs

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+using Robust.Shared.Serialization;
+
+namespace Content.Shared.Administration.BanList;
+
+[Serializable, NetSerializable]
+public sealed record SharedServerUnban(
+    string? UnbanningAdmin,
+    DateTime UnbanTime
+);