message: `export` Mention in `vcpkg help`
diff: @@ -28,6 +28,7 @@ namespace vcpkg::Commands::Help
  "\n"
  "%s" // Integration help
  "\n"
  + " vcpkg export <pkg>... [opt]... Exports a package\n"
  " vcpkg edit <pkg> Open up a port for editing (uses %%EDITOR%%, default 'code')\n"
  " vcpkg import <pkg> Import a pre-built library\n"
  " vcpkg create <pkg> <url>\n"
  