feat: add cooling devices handling

[barrenechea]

Enabling the usage of the newly added cooling devices' handling, already exposed over bmc-ui.

I tried to keep the code structure similar to the current project. Feel free to suggest any changes as needed!

The interactions are:

./target/release/tpi cooling status
|----Device-----|-Speed-|-Max Speed-|
|cooling_device0|      5|         10|

./target/release/tpi cooling set cooling_device0 0
ok

./target/release/tpi cooling set cooling_device1 0
Device not found

If the board has no cooling devices:

./target/release/tpi cooling status
No cooling devices found