docs: update

src/NodeContext.cpp

@@ -0,0 +1,24 @@
+#include "NodeContext.h"
+
+NodeContext::NodeContext() {
+    scheduler = new Scheduler();
+    udp = new WiFiUDP();
+    memberList = new std::map<String, NodeInfo>();
+    hostname = "";
+}
+
+NodeContext::~NodeContext() {
+    delete scheduler;
+    delete udp;
+    delete memberList;
+}
+
+void NodeContext::on(const std::string& event, EventCallback cb) {
+    eventRegistry[event].push_back(cb);
+}
+
+void NodeContext::fire(const std::string& event, void* data) {
+    for (auto& cb : eventRegistry[event]) {
+        cb(data);
+    }
+}