add response test

include/server/server.h

@@ -1,5 +1,5 @@
-#ifndef __SERVER_H__
-#define __SERVER_H__
+#ifndef CWS_SERVER_H
+#define CWS_SERVER_H
 
 #include <arpa/inet.h>
 #include <errno.h>
@@ -94,4 +94,6 @@ int handle_new_client(int sockfd, struct sockaddr_storage *their_sa, socklen_t *
  */
 void close_fds(bucket_t *bucket);
 
+void send_html_test(int sockfd);
+
 #endif