start implimenting a parser

src/parser/string/string.h

@@ -0,0 +1,8 @@
+#include "../../lexer/token.h"
+#include "../taggedValue.h"
+
+char *swap_quotes(const char *input);
+
+char *unquote(const char *str);
+
+TaggedValue parse_string(Token token);