Added patch for healing time on worldmap and set_world_map_heal_time

* the time interval check is tied to real time clock, instead of game time.

artifacts/scripting/headers/sfall.h

@@ -392,6 +392,7 @@
 #define set_unique_id(obj)                                      sfall_func1("set_unique_id", obj)
 #define set_unjam_locks_time(time)                              sfall_func1("set_unjam_locks_time", time)
 #define set_window_flag(winID, flag, value)                     sfall_func3("set_window_flag", winID, flag, value)
+#define set_worldmap_heal_time(time)                            sfall_func1("set_worldmap_heal_time", time)
 #define show_win                                                sfall_func0("show_window")
 #define show_window(winName)                                    sfall_func1("show_window", winName)
 #define signal_close_game                                       sfall_func0("signal_close_game")

artifacts/scripting/hookscripts.md

@@ -606,7 +606,7 @@ int     ret0 - pass 1 at the start of turn to skip the turn, pass -1 at the end
 
 #### `HOOK_CARTRAVEL (hs_cartravel.int)`
 
-Runs continuously during worldmap travel on car.
+Runs continuously during world map travel by car.
 
 ```
 int     arg0 - vanilla car speed (between 3 and 8 "steps")

artifacts/scripting/sfall function notes.md

@@ -1132,6 +1132,14 @@ sfall_funcX metarule functions
 - `frame`: frame number, the first frame starts from zero
 - `rotation`: rotation to get the frame for, useful when reading FRM files by path
 
+----
+#### set_worldmap_heal_time
+`void sfall_func1("set_worldmap_heal_time", int minutes)`
+- Sets the time interval in minutes for healing during world map travel
+- Passing 0 will revert to 1 second in real time (vanilla engine behavior)
+- Passing -1 will disable healing during travel
+- The time interval will be reset each time the player reloads the game
+
 
 ****
 _See other documentation files (arrays.md, hookscripts.md) for related functions reference._