Create simple thread library

red_scarf_engine/src/main.c

@@ -1,12 +1,15 @@
 #include "graphics/rse_graphics.h"
+#include "utilities/rse_task.h"
 
 int main(int argc, char** argv)
 {
+    rse_thread_t graphics_task;
     (void)argc;
     (void)argv;
 
     rse_graphics_init();
-    rse_graphics_run();
+    rse_create_task(&graphics_task, (thread_worker_t)rse_graphics_run, NULL);
 
+    rse_task_join(&graphics_task);
     return 0;
 }