Change Details

Add some metrics to swh-loader-core - fetch duration (histogram) - number of objects of each kind added to the archive (counters)

Add some metrics to swh-loader-core [] fetch duration (histogram) [x] number of objects of each kind added to the archive (counters)

Add some metrics to swh-loader-core -[] fetch duration (histogram) -[x] number of objects of each kind added to the archive (counters)