PPP support

Author: Jason2866

tools/archive-build.sh

@@ -36,7 +36,6 @@ rm -rf arduino-esp32/libraries/WiFiProv
 rm -rf arduino-esp32/libraries/WiFiClientSecure
 rm -rf arduino-esp32/libraries/NetworkClientSecure
 rm -rf arduino-esp32/libraries/USB
-rm -rf arduino-esp32/libraries/PPP
 rm -rf arduino-esp32/libraries/ESP_SR
 rm -rf arduino-esp32/libraries/ESP_NOW
 rm -rf arduino-esp32/libraries/TFLiteMicro