feat: add wt32-eth01 board as build target

Author: JuergenLeber

platformio.ini

@@ -123,3 +123,18 @@ build_flags =
     ${env.build_flags}
     -DARDUINO_USB_CDC_ON_BOOT=1
     -DARDUINO_USB_MODE=1
+
+[env:esp32-wt32-eth01]
+; Works for the WT32-ETH01 board with Ethernet support
+board = wt32-eth01
+board_build.partitions = min_spiffs.csv
+build_flags =
+    ${env.build_flags}
+    ; Not an LED but an unused GPIO pin
+    -DLED_BUILTIN=14
+    -DKEY_BUILTIN=0
+    -DFT_ETHERNET=1
+; Only use the filtered Adafruit SSL cert bundle as the full Mozilla bundle is too large for this board with the whole demo app
+board_ssl_cert_source = adafruit
+
+