Move back to C

I'm insane and as such I have moved to C AGAIN! Without any reason.

red_scarf_engine/src/main.c

@@ -0,0 +1,12 @@
+#include "graphics/rse_graphics.h"
+
+int main(int argc, char** argv)
+{
+    (void)argc;
+    (void)argv;
+
+    rse_graphics_init();
+    rse_graphics_run();
+
+    return 0;
+}