v2.1.0 for ESP32 & LwIP Ethernet

### Releases v2.1.0

1. Initial coding to port [AsyncUDP](https://github.com/espressif/arduino-esp32/tree/master/libraries/AsyncUDP) to ESP32 boards using `LwIP W5500, W6100 or ENC28J60 Ethernet`
2. Bump up to v2.1.0 to sync with [AsyncUDP_ESP32_SC_Ethernet v2.1.0](https://github.com/khoih-prog/AsyncUDP_ESP32_SC_Ethernet)

Author: khoih-prog

examples/AsyncUDPClient/AsyncUDPClient.ino

@@ -9,7 +9,7 @@
  *****************************************************************************************************************************/
 
 #if !( defined(ESP32) )
-  #error This code is designed for (ESP32S2/S3/C3 + LwIP W5500 or ENC28J60) to run on ESP32 platform! Please check your Tools->Board setting.
+  #error This code is designed for (ESP32 + LwIP W5500, W6100 or ENC28J60) to run on ESP32 platform! Please check your Tools->Board setting.
 #endif
 
 #include <Arduino.h>

examples/AsyncUDPMulticastServer/AsyncUDPMulticastServer.ino

@@ -9,7 +9,7 @@
  *****************************************************************************************************************************/
 
 #if !( defined(ESP32) )
-  #error This code is designed for (ESP32S2/S3/C3 + LwIP W5500, W6100 or ENC28J60) to run on ESP32 platform! Please check your Tools->Board setting.
+  #error This code is designed for (ESP32 + LwIP W5500, W6100 or ENC28J60) to run on ESP32 platform! Please check your Tools->Board setting.
 #endif
 
 #include <Arduino.h>

examples/AsyncUDPServer/AsyncUDPServer.ino

@@ -9,7 +9,7 @@
  *****************************************************************************************************************************/
 
 #if !( defined(ESP32) )
-  #error This code is designed for (ESP32S2/S3/C3 + LwIP W5500, W6100 or ENC28J60) to run on ESP32 platform! Please check your Tools->Board setting.
+  #error This code is designed for (ESP32 + LwIP W5500, W6100 or ENC28J60) to run on ESP32 platform! Please check your Tools->Board setting.
 #endif
 
 #include <Arduino.h>

examples/AsyncUdpNTPClient/AsyncUdpNTPClient.ino

@@ -9,7 +9,7 @@
  *****************************************************************************************************************************/
 
 #if !( defined(ESP32) )
-  #error This code is designed for (ESP32S2/S3/C3 + LwIP W5500, W6100 or ENC28J60) to run on ESP32 platform! Please check your Tools->Board setting.
+  #error This code is designed for (ESP32 + LwIP W5500, W6100 or ENC28J60) to run on ESP32 platform! Please check your Tools->Board setting.
 #endif
 
 #include <Arduino.h>

examples/AsyncUdpSendReceive/AsyncUdpSendReceive.ino

@@ -9,7 +9,7 @@
  *****************************************************************************************************************************/
 
 #if !( defined(ESP32) )
-  #error This code is designed for (ESP32S2/S3/C3 + LwIP W5500, W6100 or ENC28J60) to run on ESP32 platform! Please check your Tools->Board setting.
+  #error This code is designed for (ESP32 + LwIP W5500, W6100 or ENC28J60) to run on ESP32 platform! Please check your Tools->Board setting.
 #endif
 
 #include <Arduino.h>

examples/multiFileProject/multiFileProject.h

@@ -12,7 +12,7 @@
 #pragma once
 
 #if !( defined(ESP32) )
-  #error This code is designed for (ESP32S2/S3/C3 + LwIP W5500, W6100 or ENC28J60) to run on ESP32 platform! Please check your Tools->Board setting.
+  #error This code is designed for (ESP32 + LwIP W5500, W6100 or ENC28J60) to run on ESP32 platform! Please check your Tools->Board setting.
 #endif
 
 #include <Arduino.h>

src/AsyncUDP_ESP32_Ethernet.h

@@ -11,7 +11,7 @@
 
   Version Modified By   Date      Comments
   ------- -----------  ---------- -----------
-  2.1.0   K Hoang      10/01/2023 Initial coding for ESP32_S2/S3/C3 using LwIP W5500 / W6100 / ENC28J60
+  2.1.0   K Hoang      10/01/2023 Initial coding for ESP32 using LwIP W5500 / W6100 / ENC28J60
  *****************************************************************************************************************************/
 
 #pragma once

src/AsyncUDP_ESP32_Ethernet.hpp

@@ -11,7 +11,7 @@
 
   Version Modified By   Date      Comments
   ------- -----------  ---------- -----------
-  2.1.0   K Hoang      10/01/2023 Initial coding for ESP32_S2/S3/C3 using LwIP W5500 / W6100 / ENC28J60
+  2.1.0   K Hoang      10/01/2023 Initial coding for ESP32 using LwIP W5500 / W6100 / ENC28J60
  *****************************************************************************************************************************/
 
 #pragma once
@@ -48,7 +48,7 @@
 //////////////////////////////////////// 
 
 #else
-	#error This code is intended to run on the ESP32_S2/3, ESP32_C3 platform! Please check your Tools->Board setting.
+	#error This code is intended to run on the ESP32 platform! Please check your Tools->Board setting.
 #endif
 
 /////////////////////////////////////////////////

src/AsyncUDP_ESP32_Ethernet_Debug.h

@@ -11,7 +11,7 @@
 
   Version Modified By   Date      Comments
   ------- -----------  ---------- -----------
-  2.1.0   K Hoang      10/01/2023 Initial coding for ESP32_S2/S3/C3 using LwIP W5500 / W6100 / ENC28J60
+  2.1.0   K Hoang      10/01/2023 Initial coding for ESP32 using LwIP W5500 / W6100 / ENC28J60
  *****************************************************************************************************************************/
 
 #pragma once

src/AsyncUDP_ESP32_Ethernet_Impl.h

@@ -11,7 +11,7 @@
 
   Version Modified By   Date      Comments
   ------- -----------  ---------- -----------
-  2.1.0   K Hoang      10/01/2023 Initial coding for ESP32_S2/S3/C3 using LwIP W5500 / W6100 / ENC28J60
+  2.1.0   K Hoang      10/01/2023 Initial coding for ESP32 using LwIP W5500 / W6100 / ENC28J60
  *****************************************************************************************************************************/
 
 #pragma once