Updated readme to install specific package versions.

README.md

@@ -21,7 +21,8 @@ Before cloning repository, you need these to succesfully use the application.
 * python graphical modules
 
     ```sh
-        pip install numpy matplotlib opencv-python stl scikit-image
+        pip install numpy==1.23.3 matplotlib==3.5.3 opencv-python=4.7.0.72
+        stl==0.0.3 scikit-image==0.19.3
     ```
 
 # Installation