Add link to git slides

Author: ZedThree

course.md

@@ -42,10 +42,7 @@ apply them to software and present a global review of the training programme.
 
 **Course materials:** [slides][intro_slides], [video][intro_video] Passcode: 2u##$=Dv
 
-### Version control
-The version control module has two distinct training sessions: one for beginners and one for more advanced users.
-
-#### Introduction to Git and GitHub
+### Version Control: Introduction to Git and GitHub
 
 **Wednesday 5th November 2025, 2pm to 5pm, in-person - [sign up form][session2form] (UoY accounts only)**<br>
 Repeated <span style="color: #ff0000">Wednesday 21th</span> January 2026, 2pm, in-person.
@@ -58,6 +55,8 @@ foundations with collaborative exercises that introduce key concepts such as
 forks, pull requests and branches and give you the chance to get some hands-on
 experience with using version control in a research setting.
 
+**Course materials:** [slides][git_slides]
+
 ### Software lifecycle planning
 
 **Wednesday 19th November 2025, 2pm to 3pm, online - [sign up form][session3form] (UoY accounts only)**
@@ -173,4 +172,6 @@ We'd love to hear your (anonymous) feedback: please fill in our [feedback form][
 [feedbackform]: https://forms.gle/t4oJMCPi8wuzJtik7
 
 [intro_slides]: https://docs.google.com/presentation/d/1P5dHCa6yvODlx7i6l89083gR-PpTCYsTQI1QgcqGS2k
-[intro_video]: https://york-ac-uk.zoom.us/rec/share/RNQpldj13NL53AoEl0F0Y2OyVHImt0m_hmLHVZVSXOqq4XwNUd9mc8eWLWkbLHnz.HQpZ8VwJWr11mr17
+[intro_video]: https://york-ac-uk.zoom.us/rec/share/RNQpldj13NL53AoEl0F0Y2OyVHImt0m_hmLHVZVSXOqq4XwNUd9mc8eWLWkbLHnz.HQpZ8VwJWr11mr17
+
+[git_slides]: https://docs.google.com/presentation/d/1ifKyvCnR-ZcJokvKrrfUbf9n7lmIrP8XKRz9Uqyu538