refactor(docs): index: do 'maintainer'

docs/index.md

@@ -44,9 +44,24 @@ if you decide to contribute to it.
 
 ## Maintainer
 
-!!! todo
-    Me/University
+This library and it's development belongs to the University of Applied Sciences Stuttgart.  
 
+It was originally developed as bachelors-thesis by Lukas Wiest
+[<img src="https://simpleicons.org/icons/mail-dot-ru.svg" alt="e-mail" width="20px" title="send e-mail" />][9l5-hft-mail]
+[<img src="https://simpleicons.org/icons/twitter.svg" alt="Twitter" width="20px" title="@9Lukas5" />][9l5Twitter]
+[<img src="https://simpleicons.org/icons/github.svg" alt="GitHub" width="20px" title="@9Lukas5" />][9l5GH]
+[<img src="https://simpleicons.org/icons/gitlab.svg" alt="GitLab" width="20px" title="@9Lukas5" />][9l5GL].  
+The guardian professor was Prof. Dr. Gero Lueckemeyer
+[<img src="https://simpleicons.org/icons/mail-dot-ru.svg" alt="e-mail" width="20px" title="send e-mail" />][lueck-hft-mail]
+[<img src="https://simpleicons.org/icons/internetarchive.svg" alt="university profile" width="20px" title="university profile" />][lueck-hft-profile]
+[<img src="https://simpleicons.org/icons/github.svg" alt="GitHub" width="20px" title="@lueckemeyer" />][lueck-GH]
+[<img src="https://simpleicons.org/icons/xing.svg" alt="Xing" width="20px" title="Xing profile" />][lueck-Xing].
+He is the current maintainer for this project and the appropriate contact for questions, access request, etc.
+
+[9l5-hft-mail]: mailto:62wilu1bif@hft-stuttgart.de
+[9l5GH]: https://www.github.com/9Lukas5
+[9l5GL]: https://www.gitlab.com/9Lukas5
+[9l5Twitter]: https://twitter.com/9Lukas5
 [badge-conventional-commits]: https://img.shields.io/badge/Conventional%20Commits-1.0.0-orange.svg
 [badge-gplv3]: https://img.shields.io/badge/License-GPLv3-blue.svg
 [badge-latest-pipe]: https://img.shields.io/badge/dynamic/json?color=lightgrey&label=latest%20dev%20pipeline&query=%24%5B0%5D.status&url=https%3A%2F%2Ftransfer.hft-stuttgart.de%2Fgitlab%2Fapi%2Fv4%2F%2Fprojects%2F154%2Fpipelines%3Fper_page%3D1
@@ -55,6 +70,10 @@ if you decide to contribute to it.
 [convcomm]: https://conventionalcommits.org
 [gplv3]: unified-ticketing/license-softlink.md
 [hfthome]: https://www.hft-stuttgart.de
+[lueck-GH]: https://github.com/lueckemeyer
+[lueck-hft-mail]: mailto:gero.lueckemeyer@hft-stuttgart.de
+[lueck-hft-profile]: https://www.hft-stuttgart.de/p/gero-lueckemeyer
+[lueck-Xing]: https://www.xing.com/profile/Gero_Lueckemeyer
 [project-packages]: https://transfer.hft-stuttgart.de/gitlab/9Lukas5/unified-ticketing/-/packages
 [project-pipelines]: https://transfer.hft-stuttgart.de/gitlab/9Lukas5/unified-ticketing/pipelines
 [transferportal]: https://transfer.hft-stuttgart.de