set motion parameters together via map

CITATION.cff

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+# This CITATION.cff file was generated with cffinit.
+# Visit https://bit.ly/cffinit to generate yours today!
+
+cff-version: 1.2.0
+title: NMR Random-Walk simulations
+message: >-
+  If you use this software, please cite it using the
+  metadata from this file.
+type: software
+authors:
+  - given-names: Dominik
+    family-names: Demuth
+    email: dominik.demuth@tu-darmstadt.de
+    affiliation: Technische Universität Darmstadt
+    orcid: 'https://orcid.org/0000-0003-4648-4875'
+repository-code: 'https://gitea.pkm.physik.tu-darmstadt.de/NMRRWSims/cpp'
+url: >-
+  https://gitea.pkm.physik.tu-darmstadt.de/NMRRWSims/cpp/README.md
+abstract: >-
+  C++ classes and functions to simulate solid-state NMR
+  spectra and stimulated echoes
+keywords:
+  - NMR
+license: GPL-3.0