Add SSL certificate preservation across test environment resets

- Add acme.json to .gitignore to prevent accidental commits
- Modify reset script to preserve certificates in repo folder before cleanup
- Modify setup script to restore certificates to correct location
- Update step numbering in reset script (now 7 steps)
- Maintain proper file permissions and ownership for certificates

.gitignore

@@ -69,6 +69,7 @@ yarn-error.log*
 *.cer
 *.p12
 *.pfx
+acme.json
 
 # Monitoring data (if stored locally)
 prometheus-data/