add files for building responses

response_builder.c

@@ -0,0 +1,5 @@
+#include "response_builder.h"
+
+char* response_to_string(http_response* res) { return NULL; }
+
+void serve_static_file(http_request* req, http_response* res) {}

response_builder.h

@@ -0,0 +1,14 @@
+#ifndef RESPONSE_BUILDER_H
+#define RESPONSE_BUILDER_H
+
+#include <stdio.h>
+#include <string.h>
+#include <sys/types.h>
+
+#include "http_stuff.h"
+
+char* response_to_string(http_response* res);
+
+void serve_static_file(http_request* req, http_response* res);
+
+#endif