Added Ban and Unban calls

Co-authored-by: defnotken <itsdefnotken@gmail.com>
Reviewed-on: #2

LightlessSyncServer/LightlessSyncShared/Models/Banned.cs

@@ -7,6 +7,7 @@ public class Banned
     [Key]
     [MaxLength(100)]
     public string CharacterIdentification { get; set; }
+    public string BannedUid { get; set; }
     public string Reason { get; set; }
     [Timestamp]
     public byte[] Timestamp { get; set; }