Update README.md - add chapter anchor

README.md

@@ -39,6 +39,8 @@ The following details have to be provided:
     seaIce: unnamed (thermodynamic (Semtner zero-layer) dynamic (Hibler 79) sea ice model)
     solidLand: none/prescribed"
     ```
+
+<a name="RegisterExperiment"></a>
 ## Register a new experiment
 
 Please [open an issue](https://gitlab.dkrz.de/dicad-pp/palmod2_dast/-/issues/new) to request the addition of the experiment.