include what you use in betterRenderer

Its sources reached the standard library through the project headers they
included; those are imports now. 178 headers across 56 files, plus 18 C
library headers elsewhere for memcpy/printf and friends. MSVC's STL does
not supply these transitively the way libstdc++ does.

betterRenderer/renderer/source/gbufferlighting.h

@@ -3,6 +3,9 @@
 #include <nvrenderer/nvrenderer.h>
 #include <nvrhi/nvrhi.h>
 import eu07.glm;
+#include <cstddef>
+#include <cstdint>
+#include <vector>
 
 
 struct GbufferLighting : public MaResourceRegistry {