feat: added context and utility headers

include/fxn/utility.hpp

@@ -0,0 +1,29 @@
+#pragma once
+#include <string_view>
+#include <cstdint>
+
+namespace fxn
+{
+    inline constexpr char ToLower(const char c) noexcept
+    {
+        return (c >= 'A' && c <= 'Z') ? (c - 'A' + 'a') : c;
+    }
+
+    inline constexpr unsigned int HashString(std::string_view str) noexcept
+    {
+        std::uint32_t hash = 0;
+
+        for (char ch : str)
+        {
+            hash += ToLower(ch);
+            hash += (hash << 10);
+            hash ^= (hash >> 6);
+        }
+
+        hash += (hash << 3);
+        hash ^= (hash >> 11);
+        hash += (hash << 15);
+
+        return hash;
+    }
+}