feat: Add Rename Unit functionality and improve navigation in SLM dashboard

- Implemented a modal for renaming units with validation and confirmation prompts.
- Added JavaScript functions to handle opening, closing, and submitting the rename unit form.
- Enhanced the back navigation in the SLM detail page to check referrer history.
- Updated breadcrumb navigation in the legacy dashboard to accommodate NRL locations.
- Improved the sound level meters page with a more informative header and device list.
- Introduced a live measurement chart with WebSocket support for real-time data streaming.
- Added functionality to manage active devices and projects with auto-refresh capabilities.

templates/nrl_detail.html

@@ -136,7 +136,7 @@
                     <div>
                         <div class="text-sm text-gray-600 dark:text-gray-400">Assigned Unit</div>
                         <div class="text-lg font-medium text-gray-900 dark:text-white">
-                            <a href="/slm/{{ assigned_unit.id }}" class="text-seismo-orange hover:text-seismo-navy">
+                            <a href="/slm/{{ assigned_unit.id }}?from_project={{ project_id }}&from_nrl={{ location_id }}" class="text-seismo-orange hover:text-seismo-navy">
                                 {{ assigned_unit.id }}
                             </a>
                         </div>