Added Include folder

*facepalm*

include/util/stringliteral.hpp

@@ -0,0 +1,13 @@
+#pragma once
+
+#include <string>
+
+namespace fsh {
+
+    class StringLiteral : public std::string {
+        public:
+            StringLiteral() : std::string() {}
+            StringLiteral(const std::string& str) : std::string(str) {}
+    };
+
+}