Added translation actions for do statements with counters, updated the test2.fort file to use this feature

final_lang/test2.fort

@@ -18,4 +18,8 @@ do then
     end if
     a = a + 1
 end do
+b = 0
+do a = b + 1, 10, 2 then
+    b = a
+end do
 end program