copying code over from alphane engine

engine/include/types.hpp

@@ -0,0 +1,21 @@
+#pragma once
+
+#include <stdint.h>
+
+namespace hep
+{
+
+  using u8 = uint8_t;
+  using u16 = uint16_t;
+  using u32 = uint32_t;
+  using u64 = uint64_t;
+
+  using s8 = int8_t;
+  using s16 = int16_t;
+  using s32 = int32_t;
+  using s64 = int64_t;
+
+  using f32 = float;
+  using f64 = double;
+
+} // namespace hep