Add websocket class

tools/main.cpp

@@ -1,5 +1,39 @@
+#include <iostream>
+#include <signal.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+
+#include "simulators.hpp"
+#include "websocket.hpp"
+
+Simulators simulators;
+Websocket* g_web_socket;
+
+void int_handler(int s)
+{
+    UNUSED(s);
+    std::cout << "\nCaught Ctrl + C\nShutting down." << std::endl;
+    g_web_socket->stop();
+    exit(1); 
+
+}
 
 int main(void)
 {
-    return 0;
+    struct sigaction sigIntHandler;
+
+   sigIntHandler.sa_handler = int_handler;
+   sigemptyset(&sigIntHandler.sa_mask);
+   sigIntHandler.sa_flags = 0;
+
+   sigaction(SIGINT, &sigIntHandler, NULL);
+
+    Websocket web_socket(9002, [](std::string message) {
+        return message;
+    });
+    g_web_socket = &web_socket;
+    web_socket.run();
+    
+
 }