docs: added Simon Früh as author

documentation/index.Rmd

@@ -1,6 +1,6 @@
 --- 
 title: "The SysNDD Documentation"
-author: "Bernt Popp, Melek Firat Altay, Christiane Zweier"
+author: "Bernt Popp, Melek Firat Altay, Simon Früh, Christiane Zweier"
 date: "`r Sys.Date()`"
 site: bookdown::bookdown_site
 output: bookdown::gitbook
@@ -60,4 +60,4 @@ The previous SysID database and data curation was supported by:
 - VIDI and TOP grants (917-96-346, 912-12-109) from The Netherlands Organisation for Scientific Research (NWO) to [Annette Schenck](https://orcid.org/0000-0002-6918-3314).
 - DFG (Deutsche Forschungsgemeinschaft) grants ZW184/1-1 and -2 to [Christiane Zweier](https://orcid.org/0000-0001-8002-2020).
 - the IZKF (Interdisziplinäres Zentrum für Klinische Forschung) Erlangen to [Christiane Zweier](https://orcid.org/0000-0001-8002-2020).
-- ZonMw grant (NWO, 907-00-365) to Tjitske Kleefstra.
+- ZonMw grant (NWO, 907-00-365) to Tjitske Kleefstra.