Hello Copilot

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>

extensions/copilot/test/simulation/fixtures/cpp/basic/main.cpp

@@ -0,0 +1,16 @@
+#include <iostream>
+#include <string>
+
+int main()
+{
+    std::string name = getName();
+    std::cout << "Hello, " << name << "!" << std::endl;
+}
+
+std::string getName()
+{
+    std::string name;
+    std::cout << "Enter your name: ";
+    std::cin >> name;
+    return name;
+}