added example

examples/cpp_client_example/.gitignore

@@ -0,0 +1,2 @@
+# Ignore the cloned Socket.IO Client C++ library
+socket.io-client-cpp/

examples/cpp_client_example/build.py

@@ -0,0 +1,48 @@
+import os
+import subprocess
+import platform
+
+repo_dir = 'socket.io-client-cpp'
+
+# Check if the repository directory exists
+if os.path.exists(repo_dir):
+    # If it exists, perform a git pull to update the repository
+    os.chdir(repo_dir)
+    subprocess.run(['git', 'pull'])
+else:
+    # If it doesn't exist, clone the Socket.IO Client C++ library
+    subprocess.run(['git', 'clone', 'https://github.com/socketio/socket.io-client-cpp.git', repo_dir])
+
+    # Build the Socket.IO Client C++ library
+    os.chdir(repo_dir)
+
+if platform.system() == 'Windows':
+    os.makedirs('build', exist_ok=True)
+    os.chdir('build')
+
+    # Detect if running on Windows Command Prompt (cmd) or PowerShell
+    shell = os.environ.get('SHELL')
+    if shell and 'powershell' in shell.lower():
+        subprocess.run(['cmake', '..'])
+        subprocess.run(['cmake', '--build', '.', '--config', 'Release'])
+    else:
+        # Use the Visual Studio build tools
+        subprocess.run(['cmake', '-G', 'Visual Studio 16 2019', '..'])
+        subprocess.run(['cmake', '--build', '.', '--config', 'Release'])
+
+else:
+    subprocess.run(['mkdir', 'build'])
+    os.chdir('build')
+    subprocess.run(['cmake', '..'])
+    subprocess.run(['make'])
+
+# Compile the C++ code
+os.chdir('../..')
+if platform.system() == 'Windows':
+    subprocess.run(['cl', '/EHsc', '/Isocket.io-client-cpp/src',
+                    'main.cpp', 'socket.io-client-cpp/build/Release/sioclient.lib', '/FeSocketIOClientExample.exe'])
+else:
+    subprocess.run(['g++', '-std=c++11', '-Isocket.io-client-cpp/src',
+                    'main.cpp', 'socket.io-client-cpp/build/libsioclient.a', '-o', 'SocketIOClientExample'])
+
+print('Compilation completed successfully.')