Update README.

Author: Syfaro

README.md

@@ -3,10 +3,12 @@
 [![Go Reference](https://pkg.go.dev/badge/github.com/go-telegram-bot-api/telegram-bot-api/v5.svg)](https://pkg.go.dev/github.com/go-telegram-bot-api/telegram-bot-api/v5)
 [![Test](https://github.com/go-telegram-bot-api/telegram-bot-api/actions/workflows/test.yml/badge.svg)](https://github.com/go-telegram-bot-api/telegram-bot-api/actions/workflows/test.yml)
 
-All methods are fairly self-explanatory, and reading the [godoc](http://godoc.org/github.com/go-telegram-bot-api/telegram-bot-api) page should
+All methods are fairly self-explanatory, and reading the [godoc](https://pkg.go.dev/github.com/go-telegram-bot-api/telegram-bot-api/v5) page should
 explain everything. If something isn't clear, open an issue or submit
 a pull request.
 
+There are more tutorials and high-level information on the website, [go-telegram-bot-api.dev](https://go-telegram-bot-api.dev).
+
 The scope of this project is just to provide a wrapper around the API
 without any additional features. There are other projects for creating
 something with plugins and command handlers without having to design
@@ -45,28 +47,21 @@ func main() {
 	u := tgbotapi.NewUpdate(0)
 	u.Timeout = 60
 
-	updates, err := bot.GetUpdatesChan(u)
+	updates := bot.GetUpdatesChan(u)
 
 	for update := range updates {
-		if update.Message == nil { // ignore any non-Message Updates
-			continue
-		}
+		if update.Message != nil { // If we got a message
+			log.Printf("[%s] %s", update.Message.From.UserName, update.Message.Text)
 
-		log.Printf("[%s] %s", update.Message.From.UserName, update.Message.Text)
+			msg := tgbotapi.NewMessage(update.Message.Chat.ID, update.Message.Text)
+			msg.ReplyToMessageID = update.Message.MessageID
 
-		msg := tgbotapi.NewMessage(update.Message.Chat.ID, update.Message.Text)
-		msg.ReplyToMessageID = update.Message.MessageID
-
-		bot.Send(msg)
+			bot.Send(msg)
+		}
 	}
 }
 ```
 
-There are more examples on the [site](https://go-telegram-bot-api.dev/)
-with detailed information on how to do many kinds of things.
-It's a great place to get started on using keyboards, commands, or other
-kinds of reply markup.
-
 If you need to use webhooks (if you wish to run on Google App Engine),
 you may use a slightly different method.
 
@@ -77,7 +72,7 @@ import (
 	"log"
 	"net/http"
 
-	"github.com/go-telegram-bot-api/telegram-bot-api"
+	"github.com/go-telegram-bot-api/telegram-bot-api/v5"
 )
 
 func main() {
@@ -90,17 +85,22 @@ func main() {
 
 	log.Printf("Authorized on account %s", bot.Self.UserName)
 
-	_, err = bot.SetWebhook(tgbotapi.NewWebhookWithCert("https://www.google.com:8443/"+bot.Token, "cert.pem"))
+	wh, _ := tgbotapi.NewWebhookWithCert("https://www.google.com:8443/"+bot.Token, "cert.pem")
+
+	_, err = bot.SetWebhook(wh)
 	if err != nil {
 		log.Fatal(err)
 	}
+
 	info, err := bot.GetWebhookInfo()
 	if err != nil {
 		log.Fatal(err)
 	}
+
 	if info.LastErrorDate != 0 {
 		log.Printf("Telegram callback failed: %s", info.LastErrorMessage)
 	}
+
 	updates := bot.ListenForWebhook("/" + bot.Token)
 	go http.ListenAndServeTLS("0.0.0.0:8443", "cert.pem", "key.pem", nil)
 
@@ -110,74 +110,6 @@ func main() {
 }
 ```
 
-If you need to publish your bot on AWS Lambda(or something like it) and AWS API Gateway,
-you can use such example:
-
-In this code used AWS Lambda Go net/http server adapter [algnhsa](https://github.com/akrylysov/algnhsa)
-
-```go
-package main
-
-import (
-	"github.com/akrylysov/algnhsa"
-	"github.com/go-telegram-bot-api/telegram-bot-api"
-	"log"
-	"net/http"
-)
-
-func answer(w http.ResponseWriter, r *http.Request) {
-	bot, err := tgbotapi.NewBotAPI("MyAwesomeBotToken")
-	if err != nil {
-		log.Fatal(err)
-	}
-
-	bot.Debug = true
-	updates := bot.ListenForWebhookRespReqFormat(w, r)
-	for update := range updates {
-		if update.Message == nil {
-			continue
-		}
-		log.Printf("[%s] %s", update.Message.From.UserName, update.Message.Text)
-
-		msg := tgbotapi.NewMessage(update.Message.Chat.ID, update.Message.Text)
-		msg.ReplyToMessageID = update.Message.MessageID
-		_, err := bot.Send(msg)
-		if err != nil {
-			log.Printf("Error send message: %s | Error: %s", msg.Text, err.Error())
-		}
-	}
-}
-
-func setWebhook(_ http.ResponseWriter, _ *http.Request) {
-	bot, err := tgbotapi.NewBotAPI("MyAwesomeBotToken")
-	if err != nil {
-		log.Fatal(err)
-	}
-
-	bot.Debug = true
-
-	log.Printf("Authorized on account %s", bot.Self.UserName)
-
-	_, err = bot.SetWebhook(tgbotapi.NewWebhook("https://your_api_gateway_address.com/"+bot.Token))
-	if err != nil {
-		log.Fatal(err)
-	}
-	info, err := bot.GetWebhookInfo()
-	if err != nil {
-		log.Fatal(err)
-	}
-	if info.LastErrorDate != 0 {
-		log.Printf("Telegram callback failed: %s", info.LastErrorMessage)
-	}
-}
-
-func main() {
-	http.HandleFunc("/set_webhook", setWebhook)
-	http.HandleFunc("/MyAwesomeBotToken", answer)
-	algnhsa.ListenAndServe(http.DefaultServeMux, nil)
-}
-```
-
 If you need, you may generate a self-signed certificate, as this requires
 HTTPS / TLS. The above example tells Telegram that this is your
 certificate and that it should be trusted, even though it is not