add: status for mqtt

fix: refactor connection handlers

src/endpoints/api_v1_ws_relays.c

@@ -0,0 +1,11 @@
+#include <endpoints/api_v1_ws.h>
+#include <status.h>
+    
+void
+api_v1_ws_relays(struct mg_connection *nc, struct http_message *hm, endpoint_args_t *args, endpoint_response_t *response)
+{
+    (void)nc;
+    (void)hm;
+    (void)args;
+    (void)response;
+}