Fixes to build on non-windows and give the answer parser a real name.

ansi_parser.rl

@@ -8,7 +8,7 @@
 using namespace fmt;
 
 %%{
-  machine foo;
+  machine ansi_parser;
   alphtype int;
 
   action tstart {

main.cpp

@@ -10,7 +10,11 @@
 #include "ftxui/screen/terminal.hpp"  // for SetColorSupport, Color, TrueColor
 #include <filesystem>
 #include <fcntl.h>
+
+#if defined(_WIN64) || defined(_WIN32)
  #include <io.h>
+#endif
+
 
 using namespace ftxui;
 namespace fs = std::filesystem;
@@ -51,7 +55,9 @@ void configure_world(DinkyECS::World &world, Map &game_map) {
 
 
 int main(int argc, char *argv[]) {
+#if defined(_WIN64) || defined(_WIN32)
   _setmode(_fileno(stdout), _O_U16TEXT);
+#endif
   DinkyECS::World world;
 
   Map game_map(GAME_MAP_X, GAME_MAP_Y);