README: Add about sections

README.md

@@ -5,3 +5,69 @@ Elwig
 **El**ektronische **Wi**nzer**g**enossenschaftsverwaltung (Electronic Management for Vintners' Cooperatives).
 
 Further information may be found on [the website](https://elwig.at).
+
+
+About
+=====
+
+**Product:** Elwig
+
+**Description:** Electronic Management for Vintners' Cooperatives
+
+**Type:** ERP system
+
+**Version:** 1.0.1.0 ([Changelog](./CHANGELOG.md))
+
+**License:** [GNU General Public License 3.0 (GPLv3)](./LICENSE)
+
+**Website:** https://elwig.at/
+
+**Developers:** Lorenz Stechauner, Thomas Hilscher
+
+**Contact:** [lorenz.stechauner@necronda.net](mailto:lorenz.stechauner@necronda.net), [thomas.hilscher@gmail.com](mailto:thomas.hilscher@gmail.com)
+
+**Source code:** https://git.necronda.net/winzer/elwig
+
+**Developement period:** 2022–2025
+
+
+**Technology Stack:**
+
+- Language: C#
+- Framework: Windows Presentation Framework (WPF)
+- Database: [SQLite](https://sqlite.org/)
+- PDF creation: [WeasyPrint](https://weasyprint.org/), [RazorLight](https://github.com/toddams/RazorLight), [PdfiumViewer](https://github.com/pvginkel/PdfiumViewer)
+- Packaging: [WiX Toolset](https://www.firegiant.com/wixtoolset/)
+
+
+Über
+====
+
+**Produkt:** Elwig
+
+**Beschreibung:** Elektronische Winzergenossenschaftsverwaltung
+
+**Typ:** Warenwirschaftssystem (ERP-System)
+
+**Version:** 1.0.1.0 ([Änderungsprotokoll](./CHANGELOG.md))
+
+**Lizenz:** [GNU General Public License 3.0 (GPLv3)](./LICENSE)
+
+**Website:** https://elwig.at/
+
+**Entwickler:** Lorenz Stechauner, Thomas Hilscher
+
+**Kontakt:** [lorenz.stechauner@necronda.net](mailto:lorenz.stechauner@necronda.net), [thomas.hilscher@gmail.com](mailto:thomas.hilscher@gmail.com)
+
+**Quellcode:** https://git.necronda.net/winzer/elwig
+
+**Entwicklungszeitraum:** 2022–2025
+
+
+**Verwendete Technologien:**
+
+- Programmiersprache: C#
+- Framework: Windows Presentation Framework (WPF)
+- Datenbank: [SQLite](https://sqlite.org/)
+- PDF-Erstellung: [WeasyPrint](https://weasyprint.org/), [RazorLight](https://github.com/toddams/RazorLight), [PdfiumViewer](https://github.com/pvginkel/PdfiumViewer)
+- Paketierung: [WiX Toolset](https://www.firegiant.com/wixtoolset/)