Improve device list

[mjamescompton]

Summary

Improve design list layout and add new features.

Why do we need this?

Make it easier to find the device your looking for.

What is already there? What do you see now?

All devices.

What is missing? What do you want to see?

Some suggestions from discussions, larger width, smaller grid, no descriptions. Add filters by Sensors, IPCode, Frequency plans, LoRaWan version, regional parameters.

Can you do this yourself and submit a Pull Request?

yes, @pierrephz for design.