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/SECURITY.md

@@ -0,0 +1,14 @@
+# Security Policy
+
+## Reporting a Vulnerability
+
+If you've found a security-related issue with Tirreno, please email security@tirreno.com. Submitting to GitHub makes the vulnerability public, making it easy to exploit. We'll do a public disclosure of the security issue once it's been fixed.
+
+After receiving a report, Tirreno will take the following steps:
+
+- Confirmation that the issue has been received and that it's in the process of being addressed.
+- Attempt to reproduce the problem and confirm the vulnerability.
+- Create a patch or implement the necessary changes to address the vulnerability.
+- Release a new version of all the affected versions.
+- Prominently announce the problem in the release notes.
+- If requested, give credit to the reporter.