message: Include the newly added flemish language
  The previous PR add the localization but it wasn't added to the file that includes all languages.
  !! This should be tested, I'm not sure if the `-` in the filename influences the resolution of files.
diff: @@ -6,6 +6,7 @@ import "../../localization/croatian";
  import "../../localization/czech";
  import "../../localization/danish";
  import "../../localization/dutch";
  +import "../../localization/nl-BE";
  import "../../localization/estonian";
  import "../../localization/finnish";
  import "../../localization/french";
  