message: Update README with SDK Beta Vcpkg Registry information
diff: @@ -57,6 +57,12 @@ target_link_libraries(<your project name> PRIVATE Azure::azure-storage-blobs)
  You can reference this [vcpkg Quick Start](https://github.com/microsoft/vcpkg#quick-start-windows) for more details.
  +#### Getting Beta Releases in Vcpkg
  +
  +Official vcpkg registry may have beta versions of Azure SDK client libraries, up until a given library gets released as General Availability (GA) version. After that, we don't publish post-GA beta releases of that library in the official registry.
  +
  +If you are interested in both GA releases and post-GA beta releases, see [Azure SDK Beta Vcpkg Registry](https://github.com/azure-sdk/vcpkg-betas).
  +
  ### Building your Application
  In order to use the SDK installed via vcpkg with CMake, you can use the toolchain file from vcpkg:
  