This feature fetches statistic related data for LoRaWAN and SigFox devices. One of them is the signal strength, RSSI and SNR, which have been added as new sortable columns on the device table on the application page.
This PR adds a new migration to the list with the following changes
New separate RSSI and SNR columns for easier sorting
New table to contain a history of signal data from SigFox devices for generating statistics. (Not needed for LoRaWAN devices as the Chirpstack server keeps track of them.)
This feature fetches statistic related data for LoRaWAN and SigFox devices. One of them is the signal strength, RSSI and SNR, which have been added as new sortable columns on the device table on the application page. This PR adds a new migration to the list with the following changes