Enhance robot program state logging with clearer running messages

Updated console output to indicate when the robot control program is
running and when it is connected but not yet running.

Author: urrsk

src/example_robot_wrapper.cpp

@@ -232,16 +232,18 @@ bool ExampleRobotWrapper::initializeRobotWithPrimaryClient()
 
 void ExampleRobotWrapper::handleRobotProgramState(bool program_running)
 {
-  // Print the text in green so we see it better
-  std::cout << "\033[1;32mProgram running: " << std::boolalpha << program_running << "\033[0m\n" << std::endl;
   if (program_running)
   {
+    // Print the text in green so we see it better
+    std::cout << "\033[1;32mRobot control program is running and connected to the driver\033[0m\n" << std::endl;
     std::lock_guard<std::mutex> lk(program_running_mutex_);
     program_running_ = program_running;
     program_running_cv_.notify_one();
   }
   else
   {
+    // Print the text in yellow to indicate the robot is connected but the control program is not (yet) running
+    std::cout << "\033[1;33mRobot connected - Control program not running yet\033[0m\n" << std::endl;
     std::lock_guard<std::mutex> lk(program_not_running_mutex_);
     program_running_ = program_running;
     program_not_running_cv_.notify_one();