Add enum to string cxx utils (#153)

* Add enum to string cxx utils

* Add license header

* Address review comments

* Add version assertions

* Address review comments

* Fix thread trace header include

---------

Co-authored-by: Jonathan R. Madsen <jonathanrmadsen@gmail.com>

source/include/rocprofiler-sdk/cxx/CMakeLists.txt

@@ -3,8 +3,8 @@
 # Installation of public C++ headers
 #
 #
-set(ROCPROFILER_CXX_HEADER_FILES hash.hpp name_info.hpp operators.hpp perfetto.hpp
-                                 utility.hpp serialization.hpp version.hpp)
+set(ROCPROFILER_CXX_HEADER_FILES enum_string.hpp hash.hpp name_info.hpp operators.hpp
+                                 perfetto.hpp utility.hpp serialization.hpp version.hpp)
 
 install(
     FILES ${ROCPROFILER_CXX_HEADER_FILES}