includes/std: Moved stdlib to std folder, added all builtin functions

includes/std/cint.pat

@@ -0,0 +1,23 @@
+#pragma once
+
+namespace std {
+
+    using uint8_t   = u8;
+    using uint16_t  = u16;
+    using uint32_t  = u32;
+    using uint64_t  = u64;
+    using uint128_t = u128;
+
+    using int8_t   = s8;
+    using int16_t  = s16;
+    using int32_t  = s32;
+    using int64_t  = s64;
+    using int128_t = s128;
+
+    using float32_t = float;
+    using float64_t = double;
+
+    using size_t = u64;
+    using ssize_t = s64;
+
+}