Add API monitoring metrics

[echaidemenos]

resolves https://github.com/aqualinkorg/aqualink-app/issues/934

This PR adds a table and an endpoint for collecting usage metrics for each site. To get monitoring data some can call for example http://localhost:8080/api/monitoring?spotterId=SPOT-1576. Also add a directly accessible page at /monitoring for site admins and super admins.

The available metrics:

• Total Requests: the number of total request done
• Registered Users Requests: sum of time series and csv download request done by registered users
• Site Admin Requests: sum of time series and csv download request done by the site admins
• Site Visits: times a dashboard is visited
• CSV Downloads: times a csv is downloaded

[github-actions[bot]]

Build succeeded and deployed at https://aqualink-app-938.surge.sh (hash 84de12a0513aafcfc815c68f2aa242698a22ecdf deployed at 2023-11-03T13:30:12)