v2.0.0 for ESP32 boards using LwIP ENC28J60 Ethernet

[khoih-prog]

Initial Releases v2.0.0

1. Initial coding to port AsyncUDP to ESP32 boards using LwIP ENC28J60 Ethernet
2. Add more examples.
3. Add debugging features.
4. Bump up to v2.0.0 to sync with AsyncUDP v2.0.0

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This discussion was created from the release v2.0.0 for ESP32 boards using LwIP ENC28J60 Ethernet.