Add project code (mostly untested)

src/include/primitives.hh

@@ -0,0 +1,21 @@
+#pragma once
+#include <stdint.h>
+#include <sys/types.h>
+
+using u8 = uint8_t;
+using i8 = int8_t;
+
+using u16 = uint16_t;
+using i16 = int16_t;
+
+using u32 = uint32_t;
+using i32 = int32_t;
+
+using u64 = uint64_t;
+using i64 = int64_t;
+
+using usize = size_t;
+using isize = ssize_t;
+
+using f32 = float;
+using f64 = double;