Update README.md

README.md

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 # RL_Obstalce_Avoidance
-In this project,  i aim to use reinforcement learning to make the robot reach obstacle avoidance function
+Welcome to the TurtleBot3 Reinforcement Learning project! This guide will help you set up your environment, train a model, and test the trained model using the provided scripts. Follow the steps below to get started.
+
+## System Requirements
+Operating System: Ubuntu 20.04 (Recommended)
+
+ROS2 Distribution: ROS2 Foxy
+
+Python Version: Python 3.8+
+
+## ROS2 and Gazebo & Python dependencies
+```
+# Install ROS2 Foxy
+sudo apt update && sudo apt install ros-foxy-desktop
+
+# Install ROS2 dependencies for TurtleBot3 and Gazebo
+sudo apt install ros-foxy-geometry-msgs ros-foxy-sensor-msgs ros-foxy-gazebo-ros-pkgs ros-foxy-gazebo-ros
+
+# Source ROS2 Foxy
+source /opt/ros/foxy/setup.bash
+
+# Install Python libraries
+pip install gymnasium stable-baselines3[extra] numpy pandas numexpr
+```
+## Setup TurtleBot3 Environment
+### TurtleBot3 Packages
+```
+sudo apt install ros-foxy-turtlebot3*
+```
+### Clone and Build the Workspace
+```
+# Navigate to your workspace
+cd ~
+mkdir rl_ws
+cd rl_ws
+mkdir src
+cd src
+
+# Clone your repository (assuming your repository is named turtlebot3_rl)
+git clone <your-repository-url>.git
+
+# Build the workspace
+cd ~/rl_ws
+colcon build
+
+# Source the workspace
+source install/setup.bash
+```
+##