Refactor/RNG system (#476)

* Extract rng manipulation to its own file

* clang format

* Get CPU cycles since game start to use for RNG

* change a few things

* clang format

* Implement suggestions from @ricfehr3

* clang format

* Fix rebase issue

* clang format

* Create RngInfo struct to hold seed and step

* clang format

* Make a note about rng_restore system not having been tested properly yet

* Apply suggestions from @ricfehr3

Co-authored-by: Rickey <ric@rf3.xyz>

* clang format

---------

Co-authored-by: MathisMartin31 <mathis.martin31@gmail.com>
Co-authored-by: Rickey <ric@rf3.xyz>

source/game/game_over.c

@@ -7,6 +7,7 @@
 #include "game/main_menu.h"
 #include "graphic_utils.h"
 #include "layout.h"
+#include "random.h"
 #include "soundbank.h"
 #include "timer.h"
 #include "util.h"
@@ -128,4 +129,5 @@ void game_over_on_exit(void)
 {
     condition = END_CONDITION_NONE;
     game_reset();
+    rng_shuffle_seed();
 }