Add README

README.md

@@ -0,0 +1,23 @@
+<div align="center">
+
+Nix Software Center
+===
+
+[![Built with Nix][builtwithnix badge]][builtwithnix]
+[![License: GPLv3][GPLv3 badge]][GPLv3]
+[![Chat on Matrix][matrix badge]][matrix]
+
+## More info soon...
+
+<img src="data/screenshots/frontpage-light.png#gh-light-mode-only"/>
+<img src="data/screenshots/frontpage-dark.png#gh-dark-mode-only"/> 
+
+</div>
+
+
+[builtwithnix badge]: https://img.shields.io/badge/Built%20With-Nix-41439A?style=for-the-badge&logo=nixos&logoColor=white
+[builtwithnix]: https://builtwithnix.org/
+[GPLv3 badge]: https://img.shields.io/badge/License-GPLv3-blue.svg?style=for-the-badge
+[GPLv3]: https://opensource.org/licenses/GPL-3.0
+[matrix badge]: https://img.shields.io/badge/matrix-join%20chat-0cbc8c?style=for-the-badge&logo=matrix&logoColor=white
+[matrix]: https://matrix.to/#/#nixos-gui:matrix.org

data/dev.vlinkz.NixSoftwareCenter.metainfo.xml.in.in

@@ -2,7 +2,7 @@
 <component type="desktop-application">
   <id>@app-id@</id>
   <metadata_license>CC-BY-SA-4.0</metadata_license>
-  <project_license>GPL-3.0-or-later</project_license>
+  <project_license>GPL-3.0</project_license>
   <name>Nix Software Center</name>
   <summary>A simple application to manage your NixOS packages.</summary>
   <description>