feat(cloudron): add tirreno package artifacts

- Add CloudronStack/output/CloudronPackages-Artifacts/tirreno/ directory and its contents
- Includes package manifest, Dockerfile, source code, documentation, and build artifacts
- Add tirreno-1761840148.tar.gz as a build artifact
- Add tirreno-cloudron-package-1761841304.tar.gz as the Cloudron package
- Include all necessary files for the tirreno Cloudron package

This adds the complete tirreno Cloudron package artifacts to the repository.

CloudronStack/output/CloudronPackages-Artifacts/tirreno/ui/images/flags/lu.svg

@@ -0,0 +1,5 @@
+<svg xmlns="http://www.w3.org/2000/svg" id="flag-icons-lu" viewBox="0 0 640 480">
+  <path fill="#00a1de" d="M0 240h640v240H0z"/>
+  <path fill="#ed2939" d="M0 0h640v240H0z"/>
+  <path fill="#fff" d="M0 160h640v160H0z"/>
+</svg>