Pico W: Initial Wi-Fi support (#2980)

* Pico W: Initial WiFi support: connects, but freezes after a while

* Update arduino-pico core to fix hang with Wi-Fi

* Add `picow` to workflow since it's different from `pico` now

src/mesh/http/ContentHandler.h

@@ -1,5 +1,4 @@
 #pragma once
-
 void registerHandlers(HTTPServer *insecureServer, HTTPSServer *secureServer);
 
 // Declare some handler functions for the various URLs on the server
@@ -34,4 +33,4 @@ class HttpAPI : public PhoneAPI
   protected:
     /// Check the current underlying physical link to see if the client is currently connected
     virtual bool checkIsConnected() override { return true; } // FIXME, be smarter about this
-};
+};