Added basic structure and setup test directory

src/CMakeLists.txt

@@ -0,0 +1,6 @@
+add_executable(proxy-network
+    ./proxy-network.cpp
+)
+
+target_include_directories(proxy-network PUBLIC ${CMAKE_CURRENT_LIST_DIR})
+

src/proxy-network.cpp

@@ -0,0 +1,6 @@
+#include <iostream>
+
+int main() {
+    std::cout << "Hello world" << std::endl;
+    return 0;
+}