[PM-328] Move files for team-tools (#2857)

* Extract Import-Api endpoints into separate controller

Moved ciphers/import and ciphers/import-organization into new ImportController
Paths have been kept intact for now (no changes on clients needed)
Moved request-models used for import into tools-subfolder

* Update CODEOWNERS for team-tools-dev

* Move HibpController (reports) to tools

* Moving files related to Send

* Moving files related to ReferenceEvent

* Removed unneeded newline

src/Core/Tools/Entities/Send.cs

@@ -0,0 +1,31 @@
+using System.ComponentModel.DataAnnotations;
+using Bit.Core.Entities;
+using Bit.Core.Tools.Enums;
+using Bit.Core.Utilities;
+
+namespace Bit.Core.Tools.Entities;
+
+public class Send : ITableObject<Guid>
+{
+    public Guid Id { get; set; }
+    public Guid? UserId { get; set; }
+    public Guid? OrganizationId { get; set; }
+    public SendType Type { get; set; }
+    public string Data { get; set; }
+    public string Key { get; set; }
+    [MaxLength(300)]
+    public string Password { get; set; }
+    public int? MaxAccessCount { get; set; }
+    public int AccessCount { get; set; }
+    public DateTime CreationDate { get; internal set; } = DateTime.UtcNow;
+    public DateTime RevisionDate { get; internal set; } = DateTime.UtcNow;
+    public DateTime? ExpirationDate { get; set; }
+    public DateTime DeletionDate { get; set; }
+    public bool Disabled { get; set; }
+    public bool? HideEmail { get; set; }
+
+    public void SetNewId()
+    {
+        Id = CoreHelpers.GenerateComb();
+    }
+}