Create deleaker.yml (#1666)

Added description of Deleaker.

Author: ArtemRazin

data/tools/deleaker.yml

@@ -0,0 +1,18 @@
+name: deleaker
+categories:
+  - linter
+tags:
+  - c
+  - cpp
+  - csharp
+  - delphi
+  - dotnet
+license: proprietary
+types:
+  - service
+homepage: 'https://www.deleaker.com/'
+description: >-
+  Deleaker is a memory leak detection tool for C++, .NET, and Delphi,
+  integrating with Visual Studio, Qt Creator, and RAD Studio or running
+  as a standalone application. It helps developers find and fix memory,
+  GDI, and handle leaks efficiently.