[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

test/Core.Test/Tools/Models/Data/SendFileDataTests.cs

@@ -0,0 +1,27 @@
+using System.Text.Json;
+using Bit.Core.Tools.Models.Data;
+using Bit.Test.Common.Helpers;
+using Xunit;
+
+namespace Bit.Core.Test.Tools.Models.Data;
+
+public class SendFileDataTests
+{
+    [Fact]
+    public void Serialize_Success()
+    {
+        var sut = new SendFileData
+        {
+            Id = "test",
+            Size = 100,
+            FileName = "thing.pdf",
+            Validated = true,
+        };
+
+        var json = JsonSerializer.Serialize(sut);
+        var document = JsonDocument.Parse(json);
+        var root = document.RootElement;
+        AssertHelper.AssertJsonProperty(root, "Size", JsonValueKind.String);
+        Assert.False(root.TryGetProperty("SizeString", out _));
+    }
+}