[slides] new lfs commit of problem, runtime and grids

README.md

@@ -4,5 +4,5 @@ The material is organized as follows
 
 * exercises, click [here](./exercises/README.md) to go to the exercise description
 * scripts, click [here](./scripts/README.md) for an overview of useful scripts (e.g. install script)
-* slides, click [here](./slides/slides.tar) to download the slides
+* slides, click [here](./slides/README.md) to download the slides
 * links, click [here](./links/README.md) to go to a list of useful links

slides/README.md

 # DuMu<sup>x</sup> course slides
+
+Click on the links to download the slides
+
+* [Slides on the basics](./dumux-course-intro.pdf)
+* [Slides on the problem file](./dumux-course-problem.pdf)
+* [Slides on runtime parameters and grids](./dumux-course-runtimeparams-grids.pdf)