message: Update README.md to note Clang might work but is not supported
diff: @@ -99,7 +99,7 @@ As of NWN:EE Release 8193 it is possible to run `nwserver-linux` and NWNX:EE on
  ## Compiling NWNX:EE (native)
  -Please note that you need a modern C++17 compatible compiler to build NWNX:EE. The code is confirmed to build on GCC 7.4+ or Clang 5.0+. It may be possible to build on an older compiler.
  +Please note that you need a modern C++17 compatible compiler to build NWNX:EE. The code is confirmed to build on GCC 7.4+, Clang 5.0+ might work but is not supported. It may be possible to build on an older compiler.
  Each plugin may have one or more dependencies that must be satisfied in order to build that plugin. Refer to each individual plugin's CMakeLists.txt to determine their dependencies.
  