lab1.md

 Lab 1: Introduction to ROS2 and Turtlebot4
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-The aim of this lab is a basic introduction to ROS2 and its main tools. As part of the lab, you will also be introduced to the simulated platform: Turtlebot4.
+<> The aim of this lab is a basic introduction to ROS2 and its main tools. As part of the lab, you will also be introduced to the simulated platform: Turtlebot4.
+This lab aims to introduce the basic concepts of ROS2 and its main tools. As part of the lab, you will also be introduced to the simulated environment: Turtlebot4.
 
 Introduction
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