What is the problem?
Wifi is not working, wlan0 is not available on pi0. It says device not detected.
What did you already try to solve it?
Tried adding it in interfaces file, and rebooting. Ifconfig still shows only l0 and no wlan0
Additional information about your setup (OctoPrint version, OctoPi version, printer, firmware,
serial.log or output on terminal tab, ...)