update readme with clarifications for tutorials

README.md

@@ -33,6 +33,11 @@ Also see [snakemake's documentation](https://snakemake.readthedocs.io/en/stable/
 
 Tutorials introducing usage of V-pipe are available in the [docs/](docs/README.md) subdirectory.
 
+
+### Tutorials
+
+First steps with V-pipe for different scenarios are  available in the [docs/](docs/README.md) subdirectory.
+
 ### Using quick install script
 
 To deploy V-pipe, use the [installation script](utils/README.md#quick-installer) with the following parameters:
@@ -50,6 +55,8 @@ cd work
 ./vpipe --jobs 4 --printshellcmds --dry-run
 ```
 
+Test data is available with the tutorials provided in the [docs/](docs/README.md) subdirectory.
+
 ### Using Docker
 
 Note: the [docker image](https://github.com/cbg-ethz/V-pipe/pkgs/container/v-pipe) is only setup with components to run the workflow for HIV and SARS-CoV-2 virus base configurations.