Add frontend helper

TODO.txt

@@ -2,8 +2,6 @@ fuck issue trackers :D
 
 =========== GENERAL ==============
 
-- make helper header for PC frontends that use stdio for data file, parse
-  arguments etc.
 - frontends:
   - auto test frontend, with no I/O, that will just internally run a series of
     inputs and check if the output is as expected
@@ -31,6 +29,7 @@ fuck issue trackers :D
   - empty and large data file
   - FPS on each platform
   - try to use the racing module by itself
+  - spellcheck comments
 
 =========== BUGS =================
 
@@ -40,6 +39,8 @@ fuck issue trackers :D
 =========== HANDLED ==============
 
 - should drifting make a sound? NO NEED
+- make helper header for PC frontends that use stdio for data file, parse
+  arguments etc.
 - make car turned on its back behave nicer? but how? PROLLY NOT
 - Try doing the bouncy car body? Just keep a point and its velocity, change
   its velocity by a proportion of car's velocity change (this minus prev.