feat: Add https proxying

src/proxy.h

@@ -1,6 +1,9 @@
 #ifndef PROXY_H
 #define PROXY_H
 
+#include <signal.h>
+#include <netinet/tcp.h>
+
 /**
  * Starts the proxy server on the specified port
  * 
@@ -9,4 +12,9 @@
  */
 int start_proxy_server(int port);
 
+/**
+ * Signal handler for graceful termination
+ */
+void handle_signal(int sig);
+
 #endif // PROXY_H