refactor(req/res): new request/response structure

include/http/handler.h

@@ -0,0 +1,20 @@
+#ifndef CWS_HANDLER_H
+#define CWS_HANDLER_H
+
+#include "http/request.h"
+#include "http/response.h"
+
+/* Configuration for static file serving */
+typedef struct cws_handler_config {
+	const char *root_dir;	/*< "www" */
+	const char *index_file; /*< "index.html" */
+} cws_handler_config_s;
+
+/* Static file handler */
+cws_response_s *cws_handler_static_file(cws_request_s *request, cws_handler_config_s *config);
+
+/* Error handlers */
+cws_response_s *cws_handler_not_found(cws_request_s *request);
+cws_response_s *cws_handler_not_implemented(cws_request_s *request);
+
+#endif