Update timetable

Author: MakisH

timetable.md

@@ -28,7 +28,12 @@
 
 ## 3.1 – Wed, October 29, 2025
 
-(pending, slides update - VM and Containers)
+- **5** min.: [Virtualization and Containers](https://github.com/Simulation-Software-Engineering/Lecture-Material/blob/main/02_virtualization_and_containers/intro_slides.md)
+- **15** min.: VirtualBox: [slides](https://github.com/Simulation-Software-Engineering/Lecture-Material/blob/main/02_virtualization_and_containers/virtualbox_slides.md), [demo](https://github.com/Simulation-Software-Engineering/Lecture-Material/blob/main/02_virtualization_and_containers/virtualbox_demo.md)
+- **20** min.: Vagrant: [slides](https://github.com/Simulation-Software-Engineering/Lecture-Material/blob/main/02_virtualization_and_containers/vagrant_slides.md), [demo](https://github.com/Simulation-Software-Engineering/Lecture-Material/blob/main/02_virtualization_and_containers/vagrant_demo.md)
+- **30** min.: Docker: [slides](https://github.com/Simulation-Software-Engineering/Lecture-Material/blob/main/02_virtualization_and_containers/docker_slides.md), [demo](https://github.com/Simulation-Software-Engineering/Lecture-Material/blob/main/02_virtualization_and_containers/docker_demo.md)
+- **20** min.: Singularity / Apptainer: [slides](https://github.com/Simulation-Software-Engineering/Lecture-Material/blob/main/02_virtualization_and_containers/singularity_slides.md), [demo](https://github.com/Simulation-Software-Engineering/Lecture-Material/blob/main/02_virtualization_and_containers/singularity_demo.md)
+
 
 ## 3.2 – Wed, October 29, 2025