Add buymeacoffee

Finally, in need of some real coffee ;=))

Author: khoih-prog

README.md

@@ -6,6 +6,8 @@
 [![contributions welcome](https://img.shields.io/badge/contributions-welcome-brightgreen.svg?style=flat)](#Contributing)
 [![GitHub issues](https://img.shields.io/github/issues/khoih-prog/EthernetWebServer_STM32.svg)](http://github.com/khoih-prog/EthernetWebServer_STM32/issues)
 
+<a href="https://www.buymeacoffee.com/khoihprog6" target="_blank"><img src="https://cdn.buymeacoffee.com/buttons/v2/default-yellow.png" alt="Buy Me A Coffee" style="height: 60px !important;width: 217px !important;" ></a>
+
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@@ -269,7 +271,7 @@ Check [`EthernetWebServer Library Issue: Support for STM32F Series`](https://git
 
  1. [`Arduino IDE 1.8.19+` for Arduino](https://github.com/arduino/Arduino). [![GitHub release](https://img.shields.io/github/release/arduino/Arduino.svg)](https://github.com/arduino/Arduino/releases/latest)
  2. [`Arduino Core for STM32 v2.2.0+`](https://github.com/stm32duino/Arduino_Core_STM32) for STM32 boards. [![GitHub release](https://img.shields.io/github/release/stm32duino/Arduino_Core_STM32.svg)](https://github.com/stm32duino/Arduino_Core_STM32/releases/latest)
- 3.  [`Functional-VLPP library v1.0.2+`](https://github.com/khoih-prog/functional-vlpp) to use server's lambda function. To install. check [![arduino-library-badge](https://www.ardu-badge.com/badge/Functional-Vlpp.svg?)](https://www.ardu-badge.com/Functional-Vlpp)
+ 3.  [`Functional-Vlpp library v1.0.2+`](https://github.com/khoih-prog/functional-vlpp) to use server's lambda function. To install. check [![arduino-library-badge](https://www.ardu-badge.com/badge/Functional-Vlpp.svg?)](https://www.ardu-badge.com/Functional-Vlpp)
  4. For built-in LAN8742A or LAN8720 Ethernet:
    - [`STM32Ethernet library v1.2.0+`](https://github.com/stm32duino/STM32Ethernet) for built-in LAN8742A Ethernet on (Nucleo-144, Discovery). [![GitHub release](https://img.shields.io/github/release/stm32duino/STM32Ethernet.svg)](https://github.com/stm32duino/STM32Ethernet/releases/latest)
    - [`LwIP library v2.1.2+`](https://github.com/stm32duino/LwIP) for built-in LAN8742A Ethernet on (Nucleo-144, Discovery). [![GitHub release](https://img.shields.io/github/release/stm32duino/LwIP.svg)](https://github.com/stm32duino/LwIP/releases/latest)
@@ -2038,7 +2040,7 @@ Submit issues to: [EthernetWebServer_STM32 issues](https://github.com/khoih-prog
  8. Add support to **Ethernet LAN8720** using [STM32Ethernet library](https://github.com/stm32duino/STM32Ethernet), for boards such as **Nucleo-144 (F429ZI, NUCLEO_F746NG, NUCLEO_F746ZG, NUCLEO_F756ZG), Discovery (DISCO_F746NG)** and **STM32F4 boards (BLACK_F407VE, BLACK_F407VG, BLACK_F407ZE, BLACK_F407ZG, BLACK_F407VE_Mini, DIYMORE_F407VGT, FK407M1)**
  9. Reduce usage of Arduino String with std::string
 10. Optimize library code and examples by using **reference-passing instead of value-passing**
-11. Fix authenticate issue and compiler warmings caused by libb64
+11. Fix authenticate issue and compiler warnings caused by libb64
 
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