v1.6.2 to add demo sending in chunks

#### Releases v1.6.2

1. Add examples [Async_AdvancedWebServer_SendChunked](https://github.com/khoih-prog/AsyncWebServer_RP2040W/tree/main/examples/Async_AdvancedWebServer_SendChunked) and [AsyncWebServer_SendChunked](https://github.com/khoih-prog/AsyncWebServer_RP2040W/tree/main/examples/AsyncWebServer_SendChunked) to demo how to use `beginChunkedResponse()` to send large `html` in chunks
2. Use `allman astyle` and add `utils`

Author: khoih-prog

README.md

@@ -1633,7 +1633,7 @@ AsyncWebServer is @ IP : 192.168.2.232
 [AWS] Bytes sent in chunk = 0
 ```
 
-You can access the Async Advanced WebServers @ the server IP and corresponding ports (8080, 8081 and 8082)
+You can access the Async Advanced WebServers @ the server IP
 
 <p align="center">
     <img src="https://github.com/khoih-prog/AsyncWebServer_WT32_ETH01/raw/main/pics/AsyncWebServer_SendChunked.png">