Add link to presentations repository

Author: matt-graham

README.md

@@ -24,6 +24,8 @@ Python packages with our recommended tooling set up and ready to go.
 
 Some quick instructions for using our template are below.
 We also have a longer [tutorial](./tutorial.md) that has been presented in workshops for researchers at UCL.
+Slides from presentations we have given on the project are available in the
+[`python-tooling-presentations` repository](https://github.com/ucl-arc/python-tooling-presentations).
 
 If you have [uv] installed, you can use our template with the following command: