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/is.svg

@@ -0,0 +1,12 @@
+<svg xmlns="http://www.w3.org/2000/svg" id="flag-icons-is" viewBox="0 0 640 480">
+  <defs>
+    <clipPath id="is-a">
+      <path fill-opacity=".7" d="M0 0h640v480H0z"/>
+    </clipPath>
+  </defs>
+  <g fill-rule="evenodd" stroke-width="0" clip-path="url(#is-a)">
+    <path fill="#003897" d="M0 0h666.7v480H0z"/>
+    <path fill="#fff" d="M0 186.7h186.7V0h106.6v186.7h373.4v106.6H293.3V480H186.7V293.3H0z"/>
+    <path fill="#d72828" d="M0 213.3h213.3V0h53.4v213.3h400v53.4h-400V480h-53.4V266.7H0z"/>
+  </g>
+</svg>