[slides] Add slide links

exercises/README.md

@@ -13,6 +13,8 @@ Based on a scenario where gas is injected into an aquifer, you learn how to
 * set up a non-isothermal test problem based on the isothermal test problem,
 * set boundary conditions.
 
+:tv: [Lecture slides corresponding to exercise](https://pages.iws.uni-stuttgart.de/dumux-repositories/dumux-course/problem.html#/example-application)
+
 ### [:open_file_folder: Main file](./exercise-mainfile/README.md)
 
 In this exercise, you learn how to
@@ -23,6 +25,8 @@ In this exercise, you learn how to
 * solve an instationary, nonlinear system,
 * apply analytic differentiation.
 
+:tv: [Lecture slides corresponding to exercise](https://pages.iws.uni-stuttgart.de/dumux-repositories/dumux-course/problem.html#/main-program-and-main-function)
+
 ### [:open_file_folder: Runtime parameters](./exercise-runtimeparams/README.md)
 
 This exercise covers the following topics: You learn how to
@@ -31,6 +35,8 @@ This exercise covers the following topics: You learn how to
 * set variables to collect runtime parameters,
 * use and change default values for runtime parameters.
 
+:tv: [Lecture slides corresponding to exercise](https://pages.iws.uni-stuttgart.de/dumux-repositories/dumux-course/params.html#/runtime-parameters)
+
 ### [:open_file_folder: Grids](./exercise-grids/README.md)
 
 This exercise guides you through the following tasks:
@@ -40,10 +46,14 @@ This exercise guides you through the following tasks:
 * apply grid zoning and grading,
 * read in structured and unstructured grids from external files.
 
+:tv: [Lecture slides corresponding to exercise](https://pages.iws.uni-stuttgart.de/dumux-repositories/dumux-course/grid.html#/grids)
+
 ### [:open_file_folder: Properties](./exercise-properties/README.md)
 
 In this exercise, you learn how to adjust the properties in order to use a customized local residual.
 
+:tv: [Lecture slides corresponding to exercise](https://pages.iws.uni-stuttgart.de/dumux-repositories/dumux-course/properties.html#/title-slide)
+
 ### [:open_file_folder: Fluid systems](./exercise-fluidsystem/README.md)
 
 This exercise covers the handling of phases and components in DuMu<sup>x</sup>. You learn
@@ -52,6 +62,8 @@ This exercise covers the handling of phases and components in DuMu<sup>x</sup>.
 * how to implement a new fluidsystem,
 * and how to change the wettability of the porous medium.
 
+:tv: [Lecture slides corresponding to exercise](https://pages.iws.uni-stuttgart.de/dumux-repositories/dumux-course/materialsystem.html#/title-slide)
+
 ### [:open_file_folder: Dune module](./exercise-dunemodule/README.md)
 
 You learn how to
@@ -59,6 +71,9 @@ You learn how to
 * create a new dune module which depends on the dumux module,
 * create a new GitLab project.
 
+:tv: [Lecture slides corresponding to exercise](https://pages.iws.uni-stuttgart.de/dumux-repositories/dumux-course/dunemodule.html#/custom-dune-module)
+
+
 ### [:open_file_folder: Model](./exercise-model/README.md)
 
 This exercise covers the implementation of new models in DuMu<sup>x</sup>. You learn
@@ -67,6 +82,8 @@ This exercise covers the implementation of new models in DuMu<sup>x</sup>. You l
 * how to implement a local residual using a minimal model design
 * use DuMu<sup>x</sup> to denoise an image (!)
 
+:tv: [Lecture slides corresponding to exercise](https://pages.iws.uni-stuttgart.de/dumux-repositories/dumux-course/model.html#/title-slide)
+
 ### [:open_file_folder: Coupling free and porous medium flow](./exercise-coupling-ff-pm/README.md)
 
 This exercise is related to the [SFB1313 Project Area A](https://www.sfb1313.uni-stuttgart.de/research-areas/)
@@ -79,6 +96,9 @@ You learn how to
 * change the model in the porous-medium domain,
 * change the model in the free-flow domain.
 
+:tv: [Introduction to multidomain](https://pages.iws.uni-stuttgart.de/dumux-repositories/dumux-course/multidomain.html#/title-slide)
+:tv: [Lecture slides corresponding to exercise](https://pages.iws.uni-stuttgart.de/dumux-repositories/dumux-course/coupled_ff-pm.html#/title-slide)
+
 ### [:open_file_folder: Discrete fracture modeling](./exercise-fractures/README.md)
 
 This exercise is related to the [SFB1313 Project Area B](https://www.sfb1313.uni-stuttgart.de/research-areas/)
@@ -89,6 +109,9 @@ You learn how to
 * change the properties of the fractures,
 * use domain markers to set internal boundary conditions.
 
+:tv: [Introduction to multidomain](https://pages.iws.uni-stuttgart.de/dumux-repositories/dumux-course/multidomain.html#/title-slide)
+:tv: [Lecture slides corresponding to exercise](https://pages.iws.uni-stuttgart.de/dumux-repositories/dumux-course/fractures.html#/title-slide)
+
 ### [:open_file_folder: Biomineralization](./exercise-biomineralization/README.md)
 
 This exercise is related to the [SFB1313 Project Area C](https://www.sfb1313.uni-stuttgart.de/research-areas/)
@@ -99,3 +122,5 @@ You learn how to
 * apply the mineralization model, i.e. add balance equations to describe dynamic solid phases.
 * compare different simulation results using a programmable filter in Paraview
 
+:tv: [Introduction to multidomain](https://pages.iws.uni-stuttgart.de/dumux-repositories/dumux-course/multidomain.html#/title-slide)
+:tv: [Lecture slides corresponding to exercise](https://pages.iws.uni-stuttgart.de/dumux-repositories/dumux-course/biomin.html#/title-slide)