added link to documentation (#474)

README.md

@@ -1,5 +1,8 @@
 # rocThrust
 
+> [!NOTE]
+> The published documentation is available at [rocThrust](https://rocm.docs.amd.com/projects/rocThrust/en/latest/) in an organized, easy-to-read format, with search and a table of contents. The documentation source files reside in the `docs` folder of this repository. As with all ROCm projects, the documentation is open source. For more information on contributing to the documentation, see [Contribute to ROCm documentation](https://rocm.docs.amd.com/en/latest/contribute/contributing.html).
+
 Thrust is a parallel algorithm library. It has been ported to
 [HIP](https://github.com/ROCm/HIP) and [ROCm](https://www.github.com/ROCm/ROCm), which use
 the [rocPRIM](https://github.com/ROCm/rocPRIM) library. The HIP-ported library