added info for lab files

README.md

@@ -79,6 +79,7 @@ Each lab includes preparation tasks that should be completed before the session
 Make sure that you have the required software installed on your laptop before the lab sessions. Some basic instructions for Python are provided [here](Labs/README.md). For more information about the Python environment and workflow, more detailed instructions are provided [here](https://gitlab.liu.se/vehsys/tsfs12/-/blob/master/Lecture_notes/computer_tools_introduction.pdf).
 
 The lab PM for the course is available [**here**](Labs/LabPM.pdf). 
+**Note**: PM for lab 3 is [**here**](Labs/Lab3/Lab3PM.pdf).
 
 | Lab | Skeliton Files | Programming Language | Comments |
 |-----|----------------|----------------------| ---------|
@@ -111,7 +112,17 @@ Labs # Folder for the labs (open this folder in VSCode, when working with the la
 │   └── python 
 │       ├── EKF_base.py # Base class for the Extended Kalman Filter (EKF) (!! do not modify this file !!)
 │       └── main.py # Main file for the lab (!! Only modify the sections with "Student Code Here" !!)
-├── Lab3 # will be added later
+├── Lab3 # Files for Lab 3
+│   ├── code # Folder for the code
+│   │   ├── assertions.mat # Assertions file 
+│   │   ├── constant_current_charging.m # Constant current charging function (!! Modify the sections with "Student Code Here" !!)
+│   │   ├── constant_voltage_charging.m # Constant voltage charging function (!! Modify the sections with "Student Code Here" !!)
+│   │   ├── figures # Folder for figures
+│   │   ├── main.m # Main file for the lab (!! Only modify the sections with "Student Code Here" !!)
+│   │   ├── model.mat # Model file
+│   │   ├── plot_charging.m # Plotting function 
+│   │   └── plot_multiple_charging_scenarios.m # Plotting function 
+│   └── Lab3PM.pdf # Lab PM for Lab 3
 ├── LabPM.pdf # Lab PM
 ├── README.md # Python workflow basics
 ├── requirements.txt # Python packages required for the labs