Support documentation build + install + packaging (#369)

* Support documentation build + install + packaging

* Fix NUM_ROCPROFILER_PACKAGING_COMPONENTS check

[ROCm/rocprofiler-sdk commit: 84499b17c6]

projects/rocprofiler-sdk/source/docs/.gitignore

@@ -2,4 +2,4 @@
 /_build
 /_doxygen
 /.gitinfo
-/rocprofiler.dox
+/*.dox