added FindIDL module (onqtam#34)

README.md

@@ -89,6 +89,7 @@ Your contributions are highly welcome (first see [CONTRIBUTING.md](CONTRIBUTING.
 * [FindICU.cmake](https://github.com/julp/FindICU.cmake) - CMake module to find International Components for Unicode (ICU) Library. [```[BSD2]```][BSD-2-Clause]
 * [FindTBB](https://github.com/justusc/FindTBB) - CMake find module for Intel Threading Building Blocks. [```[MIT]```][MIT]
 * [FindWiX](https://github.com/apriorit/FindWiX) - CMake module for building [Windows Installer](https://en.wikipedia.org/wiki/Windows_Installer) packages with [WiX toolset](http://wixtoolset.org). [```[BSD3]```][BSD-3-Clause]
+* [FindIDL](https://github.com/apriorit/FindIDL) - CMake module for building [IDL](https://docs.microsoft.com/en-us/windows/win32/midl/interface-definition-idl-file) files with MIDL and generating CLR DLL using [Tlbimp](https://docs.microsoft.com/en-us/dotnet/framework/tools/tlbimp-exe-type-library-importer). [```[MIT]```][MIT]
 * [cmake-modules](https://github.com/hanjianwei/cmake-modules) - [hanjianwei](https://github.com/hanjianwei)'s CMake module collection. [```[MIT]```][MIT]
 * [YCM](https://github.com/robotology/ycm) - Extra CMake Modules for [Yet Another Robot Platform](https://github.com/robotology/yarp) and friends. [```[BSD3]```][BSD-3-Clause]
 * [CMakeCM](https://github.com/AnotherFoxGuy/CMakeCM) - CMake Community Modules. ```[NO LICENSE]```