add license information

LICENSE

@@ -1,5 +1,5 @@
-GStreamer Camera Viewer
-Copyright (c) 2025
+VizionStreamer
+Copyright (c) 2025 Maik Jurischka
 
 This work is licensed under the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
 
@@ -18,5 +18,20 @@ Full license text: https://creativecommons.org/licenses/by-nc-sa/4.0/legalcode
 
 ===============================================================================
 
+THIRD-PARTY DEPENDENCIES:
+
+This software uses the following third-party libraries:
+
+1. VizionSDK
+   Copyright (c) 2025 TechNexion Ltd.
+   Licensed under MIT License
+   https://github.com/TechNexion-Vision/vizionsdk/blob/main/LICENSE
+
+2. GStreamer
+   Licensed under LGPL
+   https://gstreamer.freedesktop.org/
+
+===============================================================================
+
 DISCLAIMER:
 This software is provided "as is", without warranty of any kind, express or implied, including but not limited to the warranties of merchantability, fitness for a particular purpose and noninfringement. In no event shall the authors or copyright holders be liable for any claim, damages or other liability, whether in an action of contract, tort or otherwise, arising from, out of or in connection with the software or the use or other dealings in the software.