raylib-raygui tests

Source example controls_test_suite.c

Paths:

#include "./raylib-4.0.0_win64_mingw-w64_ex/include/raygui.h"

...

Font font = LoadFontEx("./fonts/rainyhearts16.ttf", 12, 0, 0);

...

char *st_ashes = "raylib-4.0.0_win64_mingw-w64_Ex/styles/ashes/ashes.rgs";

GuiLoadStyle(st_ashes);

...