added link to documentation (#623)

README.md

@@ -1,5 +1,8 @@
 # rocPRIM
 
+> [!NOTE]
+> The published documentation is available at [rocPRIM](https://rocm.docs.amd.com/projects/rocPRIM/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).
+
 rocPRIM is a header-only library that provides HIP parallel primitives. You can use this library to
 develop performant GPU-accelerated code on AMD ROCm platforms.