[mqtt-client] boost-like project folder structure

Summary: resolves T12767

Reviewers: ivica

Reviewed By: ivica

Subscribers: miljen

Tags: #spacetime

Maniphest Tasks: T12767

Differential Revision: https://repo.mireo.local/D25970

example/src/run_examples.cpp

@@ -0,0 +1,15 @@
+
+void run_openssl_tls_examples();
+void run_tcp_examples();
+void run_websocket_tcp_examples();
+void run_websocket_tls_examples();
+
+int main(int argc, char* argv[]) {
+
+	run_tcp_examples();
+	//run_openssl_tls_examples();
+	//run_websocket_tcp_examples();
+	//run_websocket_tls_examples();
+
+	return 0;
+}